| Ramp Ab over Pa Tpk (i-476) | Poor | 102.0 ft | 21,503 | 1956 |
| Sr1011 (8th Ave) over Norfolk Southern Rr | Poor | 30.8 ft | 18,578 | 1967 |
| Basin Street over Little Lehigh Creek | Poor | 210.0 ft | 14,700 | 1959 |
| SR 329(lr 175) over Lehigh River | Poor | 575.1 ft | 13,934 | 1933 |
| Hamilton Street over Jordan Creek & Rjcn | Poor | 317.9 ft | 13,600 | 1973 |
| SR 2017(lr39025) over Little Lehigh Creek | Poor | 254.9 ft | 9,297 | 1957 |
| Pine Street over Lehigh R. Ns Rr Water ST | Poor | 1167.0 ft | 8,000 | 1953 |
| SR 2010 (lr 39109) over Little Lehigh Creek | Poor | 170.9 ft | 7,302 | 1939 |
| SR 2029(lr 39002) over Trib. Saucon Creek | Poor | 49.9 ft | 6,993 | 1953 |
| SR 3017 over Schaefer Run | Poor | 25.9 ft | 5,837 | 2005 |
| 4th Street over Jordan Ck & Sumner Ave. | Poor | 443.9 ft | 5,000 | 1959 |
| S.walnut Street over Trout Creek & Factory ST | Poor | 301.8 ft | 3,000 | 1925 |
| SR 2029(lr.39002) over Hosensack Creek | Poor | 28.9 ft | 2,882 | 1933 |
| SR 4040 (lr 39072) over Switzer Creek | Poor | 37.1 ft | 1,641 | 1930 |
| SR 2018(lr 39026) over Branch Of Swabia Creek | Poor | 25.9 ft | 1,400 | 1929 |
| SR 4004(lr 39071) over Hassen Creek | Poor | 58.1 ft | 1,207 | 1964 |
| Lehigh Parkway E. over Little Lehigh Creek | Poor | 77.1 ft | 1,000 | 1828 |
| Walnut Street over Cedar Creek | Poor | 35.1 ft | 1,000 | 1824 |
| SR 2029(lr 39002) over Indian Creek | Poor | 34.1 ft | 999 | 1935 |
| Macungie Road over Little Lehigh Creek | Poor | 55.1 ft | 750 | 1950 |
| SR 4009 (lr 39057) over Mill Creek | Poor | 30.8 ft | 727 | 1912 |
| SR 4019 (lr 39063) over Sweitzer Creek | Poor | 50.9 ft | 631 | 1937 |
| SR 2025(lr 39005) over Indian Creek | Poor | 40.0 ft | 529 | 1933 |
| Devonshire Road over Little Lehigh Creek | Poor | 76.1 ft | 500 | 1870 |
| Wood Street over Catasauqua Creek | Poor | 30.8 ft | 500 | 1950 |
| Ash Lane over Toad Creek | Poor | 33.1 ft | 400 | 1966 |
| Quarry Street over Coplay Creek | Poor | 26.9 ft | 300 | 1920 |
| SR 4027 (lr 39060) over Jordan Creek | Poor | 85.0 ft | 276 | 1961 |
| Furnace Road over Trout Creek | Poor | 27.9 ft | 210 | 1935 |
| Allemaengel Rd. over Ontelaunee Creek | Poor | 111.9 ft | 200 | 1910 |
| Jordan Road over Jordan Creek | Poor | 138.1 ft | 200 | 1858 |
| South Albert St. over Lehigh Canal | Poor | 57.1 ft | 200 | 1940 |
| Jordan Road over Jordan Creek | Poor | 125.0 ft | 190 | 1959 |
| Springhouse Road over Ontelaunee Creek | Poor | 27.9 ft | 100 | 1834 |
| Township Line Road over Haasen Creek | Poor | 33.1 ft | 100 | 1977 |
| Center St. over Trout Creek | Poor | 28.9 ft | 100 | 1961 |
| Furnace RD over Trout Creek | Poor | 33.1 ft | 100 | 1978 |
| Toll Gate Road over Indian Creek | Poor | 27.9 ft | 70 | 1919 |
| Smith Lane over Little Lehigh Creek | Poor | 33.1 ft | 50 | 1970 |
| Gun Club Road over Ontelaunee Creek | Poor | 140.1 ft | 50 | 1885 |
| County Bridge Road over Trout Creek | Poor | 36.1 ft | 50 | 1888 |
| I-78(LR 1045) over Pa 100(lr 672) | Fair | 123.0 ft | 126,705 | 1958 |
| I 78(lr 1045) over Norfolk/southern Rr | Fair | 41.0 ft | 126,705 | 1988 |
| I-78 & Pa 309 over SR 2010 & Lt Lehigh CR | Fair | 661.1 ft | 83,965 | 1958 |
| I-78(LR 1045) over SR 2007 (lr 39016) | Fair | 63.0 ft | 83,965 | 1989 |
| I-78(LR 1045) over US 222(lr 157)hamilton | Fair | 147.0 ft | 81,849 | 1989 |
| I-78 & Pa.309 over Pa 29&sr1019 Cedar Crest | Fair | 176.8 ft | 80,843 | 1989 |
| US 22(lr 771) over Pa 309(lr 39043)* | Fair | 183.1 ft | 76,351 | 1973 |
| US 22(lr 771) over T-514(springhouse Rd.) | Fair | 115.2 ft | 76,351 | 1953 |
| US 22(lr 771) over T-862(28th St.) | Fair | 122.0 ft | 76,351 | 1953 |
| US 22(lr 771) over T-616(whitehall Ave.) | Fair | 150.9 ft | 76,351 | 1953 |
| US 22(lr 771) over Lr 163* Roth Ave.&19th S | Fair | 301.8 ft | 76,351 | 1953 |
| US 22(lr 771) over Twp.rd.603* 15th Street | Fair | 81.0 ft | 76,351 | 1953 |
| US 22(lr 771) over Twp.rd.567* Mickley Road | Fair | 100.1 ft | 76,351 | 1952 |
| US 22(lr 771) over Jordan Creek | Fair | 259.8 ft | 76,351 | 1952 |
| I- 78(lr 1045) over SR 2005 (lr 158)lehigh | Fair | 115.2 ft | 70,840 | 1989 |
| SR 78(lr 1045) over Norfolk Southern Rr | Fair | 164.0 ft | 70,840 | 1989 |
| Pa 145 (lr 555) over Sumner Ave. | Fair | 258.9 ft | 63,939 | 1960 |
| Pa 145(lr 555) over Jordan Creek | Fair | 193.9 ft | 63,939 | 1929 |
| SR 22(lr 443) over SR 1002 (lr 443 Par.eb) | Fair | 101.0 ft | 63,032 | 1958 |
| SR 309(lr 781) over Sr1002(tilghman St)lr443 | Fair | 180.1 ft | 58,753 | 1958 |
| SR 309(lr 153) over I-78 (lr 1045) | Fair | 377.0 ft | 48,199 | 1988 |
| SR 309(lr781) over Twp.rd.870(broadway St.) | Fair | 47.9 ft | 46,398 | 1958 |
| Pa Tpk (i-476) over SR 2029 Lr39002 | Fair | 106.0 ft | 44,406 | 1955 |
| Pa Tpk (i-476) over SR 2040 Lr39106 | Fair | 40.0 ft | 44,406 | 1955 |
| Pa Tpk (i-476) over T-435 | Fair | 27.9 ft | 44,406 | 1955 |
| Pa Tpk (i-476) over T-426 | Fair | 136.2 ft | 44,406 | 1955 |
| Pa Tpk (i-476) over Nfs Rr | Fair | 188.0 ft | 44,406 | 1955 |
| Pa Tpk (i-476) over SR 0029 Lr158 | Fair | 184.1 ft | 44,406 | 1954 |
| I78-us22 (lr443) over SR 3022 *(old 22) | Fair | 121.1 ft | 42,666 | 1958 |
| I-78(LR 443) over Iron Run | Fair | 33.1 ft | 42,666 | 1958 |
| US 222 over Iron Run | Fair | 51.8 ft | 40,766 | 2005 |
| Pa Tpk (i-476) over Tr. Little Lehigh Crk | Fair | 341.9 ft | 39,061 | 1955 |
| I 78(lr 443) over T-501(old 22) | Fair | 224.1 ft | 38,707 | 1958 |
| SR 78(lr 443) over Mill Creek * | Fair | 35.1 ft | 38,707 | 1958 |
| I-78 (lr 443) over * Sr3013 (lr 39082) | Fair | 86.9 ft | 38,707 | 1958 |
| Pa 378(lr 297) over Lehigh Riv R.r. City Sts | Fair | 1607.0 ft | 35,929 | 1924 |
| Pa309 (lr153) over Tumble Brook | Fair | 25.9 ft | 34,519 | 1970 |
| I-78(LR 1045) over T-572(blue Barn Rd.) | Fair | 62.0 ft | 32,735 | 1988 |
| I 78(lr 1045) over Oakview Rd.t-866 | Fair | 62.0 ft | 32,735 | 1988 |
| I-78(LR 1045) over Pa.turnpike(i-476)ne Ext | Fair | 149.9 ft | 32,735 | 1988 |
| I 78(lr 1045) over SR 2015(schantz Rd)39105 | Fair | 160.1 ft | 32,735 | 1988 |
| Pa Tpk (i-476) over SR 3008 Lr39043 | Fair | 125.0 ft | 30,563 | 1956 |
| Pa Tpk (i-476) over SR 0022 Lr 771 | Fair | 94.2 ft | 30,563 | 1955 |
| Pa Tpk (i-476) over T-593; Lime Kiln RD | Fair | 38.1 ft | 30,563 | 1955 |
| Pa Tpk (i-476) over SR 4008 Lr 39049 | Fair | 45.9 ft | 30,563 | 1955 |
| Pa Tpk (i-476) over SR 4010 Lr39091 | Fair | 165.0 ft | 30,563 | 1955 |
| Pa Tpk (i-476) over T-665 | Fair | 118.1 ft | 30,563 | 1955 |
| Pa Tpk (i-476) over SR 0329 Lr39038 | Fair | 73.2 ft | 30,563 | 1955 |
| Pa Tpk (i-476) over SR 4014 | Fair | 34.1 ft | 30,563 | 1955 |
| Pa Tpk (i-476) over T-707; Glencrest Road | Fair | 32.2 ft | 30,563 | 1955 |
| Pa Tpk (i-476) over Jordan Creek | Fair | 294.9 ft | 27,609 | 1955 |
| Pa Tpk (i-476) over T-858 | Fair | 32.2 ft | 27,609 | 1956 |
| Pa 309(lr 153) over Saucon Creek | Fair | 78.1 ft | 27,279 | 1929 |
| US 22(lr 443 Wb) over T-572(blue Barn Rd.) | Fair | 103.0 ft | 27,261 | 1958 |
| US 22 EB over I 78 &t-572(tri Level) | Fair | 336.9 ft | 26,951 | 1988 |
| Hamilton Street over Leh.r. Ns(0521) Alb.st. | Fair | 830.1 ft | 24,900 | 1959 |
| Pa 987 (lr 39031) over US 22(lr 771) | Fair | 328.1 ft | 22,643 | 1973 |
| W. Union Blvd. over Monocacy Creek | Fair | 147.0 ft | 21,872 | 1997 |
| SR 29(lr 557) over Little Lehigh Creek | Fair | 153.9 ft | 20,959 | 1958 |
| Pa 309 NB (lr 781) over SR 2023 (lr 39107) | Fair | 59.1 ft | 20,874 | 1958 |
| Pa 309(lr 163) over Jordan Creek | Fair | 166.0 ft | 20,836 | 1956 |
| SR 1002 (lr 443) over Private Rd.& L.cedar Ck. | Fair | 60.0 ft | 20,101 | 1936 |
| SR 1002 Lr443 over Pa Tpk (i-476) | Fair | 217.8 ft | 19,619 | 1955 |
| SR 2055(lr158sp A) over Lehigh Crk City Streets | Fair | 1793.0 ft | 18,800 | 1913 |
| SR 1011(lr 48129) over Pa 378(lr 1007) | Fair | 205.1 ft | 18,578 | 1967 |
| Pa 29(lr 158) over Leibert Creek | Fair | 34.1 ft | 18,552 | 1997 |
| Pa 378 (lr1007nb) over Sr1002(union Blvd.)lr159 | Fair | 198.2 ft | 18,432 | 1967 |
| SR 1009 (lr48049) over US 22(lr 772)9402/9406 | Fair | 167.0 ft | 18,359 | 1998 |
| Sr1002tilghman/157 over Lehigh River Corman Rr | Fair | 1378.0 ft | 17,700 | 1929 |
| SR 378(lr1007sb) over Sr1002(union Blvd.)lr159 | Fair | 168.0 ft | 17,497 | 1967 |
| SR 1019 (lr 557) over US 22(lr 771) | Fair | 152.9 ft | 17,206 | 1953 |
| Sr145(lr555) over Coplay Creek | Fair | 40.0 ft | 17,057 | 1941 |
| Pa 145(lr 555) over Ironton Rr/bike Path | Fair | 134.8 ft | 17,057 | 1970 |
| SR 1017 (lr 39038) over Jordan Creek | Fair | 125.0 ft | 16,540 | 1949 |
| SR 1015 (lr 39035) over Rr Abandoned | Fair | 33.1 ft | 16,440 | 1910 |
| Schoenersville Rd. over Monocacy Creek | Fair | 113.8 ft | 16,191 | 2005 |
| Sr0222 Lr157 over Pa Tpk (i-476) | Fair | 79.1 ft | 16,122 | 1956 |
| Pa 145(lr 175) over Fells Creek | Fair | 23.0 ft | 15,708 | 1926 |
| Hamilton Street over Union Street Ramp | Fair | 232.0 ft | 15,000 | 1959 |
| Pa 100(lr 672) over Trib. Lyon Creek | Fair | 25.9 ft | 14,216 | 1964 |
| SR 378(lr 297) over Saucon Creek | Fair | 99.1 ft | 14,200 | 1935 |
| Union BLVD over Abandoned Railroad | Fair | 64.0 ft | 14,054 | 1929 |
| SR 1016(broad St.) over SR 378(lr 1007) | Fair | 113.8 ft | 13,913 | 1967 |
| Pa 100(lr 672) over Hassen Creek | Fair | 24.0 ft | 13,876 | 1932 |
| SR 1019 (lr 39040) over Jordan Creek | Fair | 122.0 ft | 13,821 | 1957 |
| Pa 100(lr 486) over Trib. Swope Creek | Fair | 23.0 ft | 13,761 | 1960 |
| SR 2044(lr 39002) over Trib. To Saucon Creek | Fair | 37.1 ft | 13,502 | 1990 |
| Sr1020catasauquard over Pa 378(lr1007) | Fair | 215.9 ft | 12,971 | 1967 |
| Pa 100(lr 672) over Lyon Creek | Fair | 29.9 ft | 12,205 | 1964 |
| Sr2012 Lr39023 over Pa Tpk (i-476) | Fair | 118.1 ft | 11,897 | 1955 |
| SR 1017(lr 39038) over Coplay Creek | Fair | 29.9 ft | 11,880 | 1910 |
| Sr1018(eaton Ave.) over Pa 378(lr1007) Rc Ditch | Fair | 190.0 ft | 11,796 | 1967 |
| Pa 100(lr 486) over Swabia Creek | Fair | 36.1 ft | 11,577 | 1969 |
| Sr1004;lr39032/125 over Lehigh River | Fair | 386.2 ft | 11,491 | 1957 |
| Pa 100(lr 672) over Jordan Creek | Fair | 69.9 ft | 11,304 | 1964 |
| Pa 100(lr 672) over Jordan Creek | Fair | 74.1 ft | 11,127 | 1932 |
| SR 2002(lr 39013) over East Penn Railroad Llc | Fair | 69.9 ft | 10,922 | 1963 |
| Union Street over Jordan Creek | Fair | 106.0 ft | 10,100 | 1981 |
| SR 1002 (lr 157) over Jordan Creek & Streets | Fair | 701.1 ft | 10,064 | 1986 |
| SR 2045(lr 153sp) over Trib. To Saucon Creek | Fair | 26.9 ft | 10,024 | 1912 |
| Pa Tpk (i-476) over SR 0022 (lr771) | Fair | 105.0 ft | 10,000 | 1956 |
| Sr1002wb(lr443par) over US 22(lr 771) | Fair | 131.9 ft | 9,810 | 1953 |
| Pa 873 (lr 163) over Lehigh River & N/s Rr | Fair | 1024.0 ft | 9,562 | 1930 |
| SR 2017 (lr 39025) over Swabia Creek | Fair | 103.0 ft | 9,297 | 1957 |
| Pa 309 (lr 226) over Ontelaunee Creek | Fair | 20.0 ft | 9,244 | 1930 |
| SR 4016 (lr 175) over Lehigh River | Fair | 419.0 ft | 9,089 | 1969 |
| SR 3001(lr.39021) over Little Lehigh Creek | Fair | 62.0 ft | 8,616 | 1929 |
| SR 1014 (lr 39037) over Coplay Creek | Fair | 47.9 ft | 8,600 | 2013 |
| SR 3003(lr 39085) over Little Lehigh Creek | Fair | 158.1 ft | 8,372 | 1961 |
| SR 2007 (lr 39016) over L.lehigh & Towpath | Fair | 226.0 ft | 7,791 | 1960 |
| SR 1023 (appl.7) over Coplay Creek | Fair | 33.1 ft | 7,751 | 1921 |
| SR 0873 Lr 163 over Pa Tpk (i-476) | Fair | 101.0 ft | 7,745 | 1955 |
| SR 2029(lr 39002) over Saucon Creek | Fair | 44.9 ft | 6,993 | 1927 |
| Chestnut Street over Coplay Creek | Fair | 83.0 ft | 6,938 | 2010 |
| Pa 145sb(lr 153) over Pa 309 Nb(lr 781) | Fair | 82.0 ft | 6,789 | 1958 |
| Sr8005(lr1045rplb) over Norfolk Southern Rr | Fair | 200.1 ft | 6,755 | 1988 |
| Mch Chk RD & Ramp over Storm Sewer | Fair | 24.9 ft | 6,056 | 1978 |
| SR 1007 (lr 153sp) over Catasauqua Creek | Fair | 26.9 ft | 5,758 | 1913 |
| Sr2059(w.rock Rd.) over I-78 & Pa 309 | Fair | 294.0 ft | 5,666 | 1988 |
| SR 4003 (lr 39048) over Jordan Creek | Fair | 143.0 ft | 5,129 | 1929 |
| Lr 39088 SR 4001 over Pa Tpk (i-476) | Fair | 79.1 ft | 5,034 | 1955 |
| Sr4003 Lr39042 over Pa Tpk (i-476) | Fair | 134.8 ft | 4,899 | 1955 |
| Pa309 (lr 226) over Mill Creek | Fair | 44.9 ft | 4,479 | 1962 |
| SR 4010 (lr 39091) over Coplay Creek | Fair | 35.1 ft | 4,428 | 1949 |
| SR 4008 (lr 39049) over Coplay Creek | Fair | 37.1 ft | 3,994 | 1962 |
| SR 2027(lr39001) over Leibert Creek | Fair | 24.9 ft | 3,841 | 1979 |
| SR 2027(lr 39001) over Leiberts Creek | Fair | 44.0 ft | 3,841 | 1987 |
| Springhouse Road over Little Cedar Creek | Fair | 23.0 ft | 3,800 | 1963 |
| SR 4024 Lr 39119 over Pa Tpk (i-476) | Fair | 83.0 ft | 3,454 | 1956 |
| SR 3015 (lr 39047) over SR 0078(lr 443) | Fair | 123.0 ft | 3,287 | 1958 |
| SR 4024 (appl.745) over Trout Creek | Fair | 33.1 ft | 3,029 | 1933 |
| Pa 143 (lr 285) over Br. Ontelaunee Creek | Fair | 41.0 ft | 3,006 | 1926 |
| Pa 143(lr 285) over Ontelaunee Creek | Fair | 29.9 ft | 3,006 | 1921 |
| Old Mickley Road over Helfrich Spring Pond | Fair | 23.0 ft | 3,000 | 1920 |
| Pa 143 (lr 285) over Trib. Ontelaunee Creek | Fair | 23.0 ft | 2,742 | 1926 |
| SR 4003 (lr39083) over SR 78 (lr 443) | Fair | 116.1 ft | 2,487 | 1958 |
| SR 4006 Lr 39041 over Pa Tpk (i-476) | Fair | 100.1 ft | 2,441 | 1955 |
| SR 2037(lr 39077) over Norfolk So. (line 0312) | Fair | 38.1 ft | 2,309 | 1918 |
| SR 2013 (lr 39029) over Cedar Creek | Fair | 43.0 ft | 2,148 | 1953 |
| Pa 143 (lr 285) over Trib. Ontelaunee Creek | Fair | 26.9 ft | 2,115 | 1926 |
| Shimerville Road over Leiberts Creek | Fair | 33.1 ft | 2,100 | 1987 |
| Pa 143 (lr 285) over Trib. Ontelaunee Creek | Fair | 37.1 ft | 2,062 | 1926 |
| SR 2016 (lr39006) over Trib. To Hosensack Creek | Fair | 34.1 ft | 2,035 | 1934 |
| SR 4040 (lr 39072) over Trib. To Lyon Creek | Fair | 21.0 ft | 1,946 | 1930 |
| Sr2057(s.hillview) over I-78 And Pa 309 | Fair | 163.1 ft | 1,677 | 1988 |
| Old Route 22 over Mill Creek | Fair | 35.1 ft | 1,548 | 1929 |
| Church Lane over Norfolk Southern Rr | Fair | 29.9 ft | 1,500 | 1930 |
| SR 4022 (lr 39054) over Trout Creek | Fair | 24.0 ft | 1,321 | 1958 |
| Sr2038(lr 39076) over I-78(LR 1045) | Fair | 438.0 ft | 1,286 | 1989 |
| SR 3004(lr.39022) over Little Lehigh Creek | Fair | 53.1 ft | 1,201 | 1950 |
| SR 3004(lr.39022) over Toad Creek | Fair | 23.0 ft | 1,201 | 1964 |
| Auburn Street over Trout Creek | Fair | 63.0 ft | 1,200 | 1978 |
| SR 4004(lr 39071) over Haasen Creek | Fair | 43.0 ft | 1,191 | 1964 |
| Center Street over Coplay Creek | Fair | 42.0 ft | 1,000 | 1960 |
| South Tenth Street over Little Lehigh Creek | Fair | 107.9 ft | 1,000 | 1932 |
| South Main Street over Monocacy Creek | Fair | 76.1 ft | 1,000 | 1966 |
| Main ST Ramp over Monacacy Cr.rr Conestoga | Fair | 659.1 ft | 1,000 | 1920 |
| Church Street over Catasauqua Creek | Fair | 33.1 ft | 1,000 | 1964 |
| Walnut Street over Catasauqua Creek | Fair | 38.1 ft | 1,000 | 1950 |
| SR 2029(lr.39002) over Hosensack Creek | Fair | 27.9 ft | 999 | 1941 |
| SR 2020 (lr 39007) over Trib. To Saucon Creek | Fair | 36.1 ft | 996 | 1940 |
| SR 4009 (lr39057) over Mill Creek | Fair | 24.9 ft | 916 | 2012 |
| SR 4020 Lr 39116 over Pa Tpk (i-476) | Fair | 104.0 ft | 880 | 1956 |
| SR 1031(14th Ave.) over Pa 378 &trib To Monocacy | Fair | 201.1 ft | 870 | 1967 |
| SR 2034 (lr 39010) over Saucon Creek | Fair | 57.1 ft | 844 | 1925 |
| SR 4009 (lr 39057) over Jordan Creek | Fair | 80.1 ft | 727 | 1876 |
| SR 4025 (lr 39064) over Lyon Creek | Fair | 39.0 ft | 677 | 1964 |
| Chapel Avenue over Trout Run | Fair | 20.0 ft | 650 | 1987 |
| SR 3007(lr.39098) over Schaefer Run | Fair | 41.0 ft | 632 | 1961 |
| SR 2025(lr 39005) over Indian Creek | Fair | 24.9 ft | 529 | 1933 |
| SR 2025(lr 39005) over Indian Creek | Fair | 29.9 ft | 529 | 1933 |
| Riverbend Road over Little Lehigh Creek | Fair | 78.1 ft | 500 | 1954 |
| Mill Creek Road over Little Lehigh Creek | Fair | 68.9 ft | 500 | 1967 |
| Overhill Road over Little Lehigh Creek | Fair | 86.0 ft | 500 | 1931 |
| Business Park Lane over Trib To Lehigh River | Fair | 40.0 ft | 500 | 1996 |
| St. Elmo Street over Cedar Creek | Fair | 22.0 ft | 500 | 1983 |
| SR 4028 (lr 39110) over Branch Of Jordan Creek | Fair | 32.2 ft | 410 | 1887 |
| Fairmount Street over Trib.to Saucon Creek | Fair | 22.0 ft | 410 | 1977 |
| Wild Cherry Lane over Little Lehigh Creek | Fair | 34.1 ft | 400 | 1980 |
| Millrace Road over Little Lehigh Creek | Fair | 37.1 ft | 400 | 1960 |
| Preston Lane over South Br. Saucon Creek | Fair | 43.0 ft | 400 | 1973 |
| Water Street over Coplay Creek | Fair | 24.9 ft | 390 | 1941 |
| SR 3005 (lr 39021) over Schaefer Run | Fair | 22.0 ft | 374 | 1971 |
| SR 4025 (lr 39059) over Trib. To Lyon Creek | Fair | 27.9 ft | 351 | 1949 |
| SR 4025 (lr 39059) over Lyon Creek | Fair | 59.1 ft | 351 | 1949 |
| SR 4025 (lr 39059) over Lyon Creek | Fair | 51.8 ft | 351 | 1949 |
| Jordan Road over Haasen Creek | Fair | 24.9 ft | 350 | 1996 |
| 7th Street over Trout Creek | Fair | 45.9 ft | 300 | 1983 |
| Sumner Ave.extent. over Jordan Creek | Fair | 109.9 ft | 300 | 1996 |
| Chestnut Hill Road over Saucon Creek | Fair | 24.0 ft | 300 | 2000 |
| SR 863 (lr 39066) over Kistler Creek | Fair | 24.0 ft | 277 | 1930 |
| SR 4027 (lr 39060) over Jordan Creek | Fair | 148.0 ft | 276 | 1961 |
| Grant Street over Trib. To Trout Creek | Fair | 32.2 ft | 250 | 2012 |
| SR 4014 (lr 39052) over Fells Creek | Fair | 27.9 ft | 225 | 1983 |
| SR 4014 (lr 39052) over Fells Creek | Fair | 30.8 ft | 225 | 1920 |
| Keystone RD over Little Lehigh Creek | Fair | 153.9 ft | 200 | 1954 |
| Hollenbach Road over Jordan Creek | Fair | 70.9 ft | 200 | 1944 |
| Ulrich Mill RD over Ontelaunee Creek | Fair | 81.0 ft | 200 | 1954 |
| Old Packhouse Road over Jordan Creek | Fair | 133.9 ft | 200 | 1860 |
| T-471 over Pa Tpk (i-476) | Fair | 166.0 ft | 200 | 1955 |
| SR 4014 (lr 39052) over Fells Creek | Fair | 25.9 ft | 174 | 1969 |
| Coplay Creek RD over Coplay Creek | Fair | 20.0 ft | 120 | 1988 |
| Bridge Street over Coplay Creek | Fair | 50.9 ft | 100 | 1955 |
| Wehrs Covered over Jordan Creek | Fair | 120.1 ft | 100 | 1841 |
| Lapp Rd. over Jordan Creek | Fair | 116.1 ft | 100 | 1858 |
| Chester Road over Jordan Creek | Fair | 23.0 ft | 100 | 1981 |
| Schultz Bridge RD over Hosensack Creek | Fair | 56.1 ft | 100 | 1956 |
| Narris Road over Switzer Creek | Fair | 28.9 ft | 100 | 1980 |
| Ross Valley RD over Switzer Creek | Fair | 33.1 ft | 100 | 1950 |
| Yeakels Mill Road over Perkiomen Creek | Fair | 28.9 ft | 100 | 1960 |
| South Fifth Street over Trout Creek | Fair | 41.0 ft | 100 | 1913 |
| Park Entrance over Little Lehigh Creek | Fair | 69.9 ft | 100 | 1941 |
| S Main ST over Lehigh Canal | Fair | 60.0 ft | 100 | 1988 |
| Church Street over Swabia Creek | Fair | 40.0 ft | 100 | 1988 |
| Kozy Korner Lane over Saucon Creek | Fair | 25.9 ft | 90 | 1990 |
| Rex Road over Jordan Creek | Fair | 34.1 ft | 50 | 1940 |
| Central Road over Jordan Creek | Fair | 43.0 ft | 50 | 1952 |
| Valley Road over Lyon Creek | Fair | 35.1 ft | 50 | 1945 |
| Walnut St. over Unnamed Stream | Fair | 21.0 ft | 50 | 1939 |
| Lovers Lane over Trout Creek | Fair | 24.0 ft | 50 | 1921 |
| Wood Street over Coplay Creek | Fair | 36.1 ft | 50 | 1998 |
| 2nd AVE Ramp over Krause Ln; West St. | Fair | 308.1 ft | 50 | 1921 |
| Orchard Road over Swabia Creek | Fair | 27.9 ft | 20 | 1978 |
| Fullers Bridge over Little Lehigh Creek | Fair | 78.1 ft | 10 | 1998 |
| I-78 (lr 1045) over SR 3009 (ruppsville Rd) | Good | 62.0 ft | 126,705 | 1988 |
| US 22(lr 771) over T-638(irving St.) | Good | 112.9 ft | 92,608 | 1952 |
| US 22 (lr 771) over Lehigh River | Good | 641.1 ft | 92,608 | 2017 |
| US 22 (lr 771) over Leh. Canal SR 1007 Nsr | Good | 530.8 ft | 92,608 | 2017 |
| I-78(LR 1045) over SR 2002 (lr 39013) | Good | 117.1 ft | 70,840 | 1989 |
| I-78(LR 1045) over SR 2023(lr 39107) | Good | 185.0 ft | 70,840 | 1989 |
| I-78 (lr 1045) over Trib. To Saucon Creek | Good | 28.9 ft | 60,992 | 1989 |
| Pa Tpk (i-476) over Sr2023 Lr39017 | Good | 33.1 ft | 49,446 | 1955 |
| Pa Tpk (i-476) over T-392 | Good | 26.9 ft | 44,406 | 1955 |
| Pa 145 (lr771) over US 22 | Good | 99.1 ft | 36,689 | 2013 |
| Pa 378(lr1007) over Earth Embankment | Good | 60.0 ft | 35,929 | 1967 |
| Pa 378 (lr 1007) over US 22 (lr 772) | Good | 174.9 ft | 35,929 | 1999 |
| Pa309 (lr153) over Saucon Creek | Good | 21.0 ft | 34,060 | 1970 |
| I 78(lr 1045) over SR 3008(cetronia Rd) | Good | 133.9 ft | 32,735 | 1988 |
| I-78 (lr 1045) over Pa 309(lr 781 Sb) | Good | 223.1 ft | 32,735 | 1989 |
| Pa Tpk (i-476) over SR 309 | Good | 95.1 ft | 30,563 | 1955 |
| Pa Tpk (i-476) over T-599 Huckleberry RD | Good | 83.0 ft | 30,563 | 2022 |
| Pa Tpk (i-476) over Crackersport Road | Good | 118.1 ft | 29,325 | 2018 |
| US 222(lr 157) over Schaefer Run | Good | 59.1 ft | 25,871 | 2021 |
| Pa Tpk (i-476) over SR 4018 & Trout Creek | Good | 533.1 ft | 25,000 | 2016 |
| US 222 SB & Ramp over Eastern Ind.access Rd. | Good | 37.1 ft | 20,403 | 2005 |
| US 222 over Over SR 3008 | Good | 86.0 ft | 20,403 | 2006 |
| SR 0222 over Over Norfolk Southern Rr | Good | 73.2 ft | 20,403 | 2007 |
| US 222 SB over Over SR 8032/7476/2015 | Good | 353.0 ft | 20,403 | 2007 |
| US 222 SB over Pa 100 | Good | 98.1 ft | 20,403 | 2007 |
| US 222 NB over Eastern Ind.access Rd. | Good | 37.1 ft | 20,363 | 2005 |
| US 222 over Over SR 3008 | Good | 85.0 ft | 20,363 | 2006 |
| SR 0222 over Over Norfolk Southern Rr | Good | 73.2 ft | 20,363 | 2007 |
| US 0222 over Over SR 8032/7476/2015 | Good | 353.0 ft | 20,363 | 2007 |
| US 222 NB over Pa 100 | Good | 98.1 ft | 20,363 | 2006 |
| 15th Street over Mlk Jr. Drive | Good | 89.9 ft | 20,000 | 2013 |
| Ward Street over Little Lehigh Creek | Good | 317.9 ft | 20,000 | 2013 |
| Pa 29(lr 158) over Norfolk/southern Rr | Good | 111.9 ft | 18,552 | 2021 |
| SR 1019(lr 557) over Cedar Creek | Good | 63.0 ft | 16,333 | 1957 |
| SR 1019(lr 557) over Little Cedar Creek | Good | 108.9 ft | 16,333 | 2018 |
| SR 1002(lr443 Par) over Norfolk Southern Rr | Good | 96.1 ft | 15,826 | 1940 |
| SR 1002(lr443 Par) over T-574(chapmans Rd.) | Good | 115.2 ft | 15,826 | 2012 |
| SR 1015 (lr 39035) over US 22 (lr 771) | Good | 116.1 ft | 15,280 | 2016 |
| Hamilton ST over Cedar Creek | Good | 104.0 ft | 14,282 | 2019 |
| Pa 873 over Trout Creek | Good | 180.1 ft | 14,109 | 2008 |
| Pa 100(lr 672) over Trib.hassen Creek | Good | 32.2 ft | 13,876 | 1964 |
| South Lehigh St. over Little Lehigh Creek | Good | 109.9 ft | 13,748 | 2023 |
| SR 2044(lr 39002) over Trib.to Saucon Creek | Good | 23.0 ft | 13,502 | 1989 |
| Pa 29/100(lr 158) over Indian Creek | Good | 44.9 ft | 13,199 | 2018 |
| SR 6100 (lr486) over Spring Creek | Good | 83.0 ft | 13,182 | 1957 |
| Pa 145/susquehanna over Trout Creek & N.s. Rr | Good | 287.1 ft | 12,801 | 1989 |
| US 222 NB over SR 6222 SB | Good | 137.1 ft | 12,726 | 2005 |
| US 222 NB over Pa 100 SB | Good | 121.1 ft | 12,726 | 2005 |
| SR 1004(lr 39032) over Lehigh Canal | Good | 58.1 ft | 11,491 | 1997 |
| Race Street over Catasauqua Creek | Good | 69.9 ft | 11,491 | 2019 |
| Chestnut Street over Lehigh R/bridge St/ns Rr | Good | 1116.1 ft | 11,259 | 2018 |
| SR 6100 over Iron Run Tributary | Good | 24.0 ft | 11,101 | 2005 |
| Mickley Road over Jordan Creek | Good | 111.9 ft | 11,000 | 2006 |
| Pa100 (lr486) over Little Lehigh Creek | Good | 83.0 ft | 10,011 | 1957 |
| SR 3012 Lr 39046s over Schaefer Run | Good | 22.0 ft | 9,913 | 2021 |
| SR 3012(lr 39046) over Iron Run | Good | 43.0 ft | 9,813 | 1960 |
| Hamilton BLVD over Iron Run | Good | 82.0 ft | 8,646 | 2018 |
| Lehigh Street over Water ST Lehigh Riv. Ns | Good | 1001.0 ft | 8,600 | 2015 |
| SR 2045 over Tumble Brook | Good | 35.1 ft | 8,116 | 2009 |
| Linden Street over Jordan Creek & Railroad | Good | 214.9 ft | 8,100 | 2010 |
| Pa 309(lr 226) over Jordan Creek | Good | 44.9 ft | 8,042 | 1962 |
| Pa 100 NB over SR 6222 And Schaefer Run | Good | 589.9 ft | 6,469 | 2005 |
| SR 100 SB over SR 6222 And Schaefer Run | Good | 569.9 ft | 6,238 | 2005 |
| SR 2039 (lr 39114) over Saucon Creek | Good | 43.0 ft | 5,839 | 1985 |
| Gordon Street over Jordan Creek | Good | 115.2 ft | 5,751 | 2020 |
| SR 2045 over Trib. Saucon Ck | Good | 75.1 ft | 5,695 | 2011 |
| American Parkway over Jordan DR | Good | 235.9 ft | 5,000 | 2015 |
| American Parkway over Lehigh River/sr 1007/rr | Good | 707.0 ft | 5,000 | 2015 |
| Ramp Ld-sr 8005 over Norfolk Southern Rr | Good | 170.9 ft | 4,723 | 1989 |
| Pa309 (lr 226) over Trib. Mill Creek | Good | 36.1 ft | 4,479 | 1962 |
| Willow Brook Road over Trib To Catasauqua CR | Good | 24.9 ft | 3,747 | 2021 |
| SR 2027 (lr 39002) over Hosensack Creek | Good | 24.0 ft | 3,384 | 2009 |
| Downyflake Lane over Norfolk Southern Rr | Good | 169.9 ft | 3,310 | 1987 |
| SR 3001(lr 39023) over Spring Creek | Good | 98.1 ft | 3,180 | 2012 |
| SR 2009 (lr 39028) over Cedar Creek | Good | 57.1 ft | 3,161 | 1959 |
| Ott Street over Cedar Creek | Good | 87.9 ft | 3,000 | 1955 |
| SR 2031 over Hosensack Creek | Good | 51.8 ft | 2,761 | 2010 |
| Sr2027 Lr39001 over Pa Tpk (i-476) | Good | 212.9 ft | 2,734 | 2022 |
| Union Street over Cedar Creek | Good | 95.1 ft | 2,700 | 2014 |
| SR 1027 (lr175) over Spring Creek | Good | 259.8 ft | 2,488 | 2015 |
| SR 2024 (lr 39007) over Trib. To Saucon Creek | Good | 23.0 ft | 2,445 | 1962 |
| SR 2024 (lr 39007) over Laurel Run | Good | 29.9 ft | 2,445 | 2023 |
| Pa 863 (lr 39066) over I-78 (lr 443) | Good | 122.0 ft | 2,221 | 2016 |
| Old Mill RD over Trib.to Little Trout Ck. | Good | 24.9 ft | 2,200 | 1914 |
| M.l.king Jr. Drive over Cedar Creek | Good | 105.0 ft | 2,100 | 1994 |
| SR 4018 (appl.745) over Trout Creek | Good | 29.9 ft | 1,825 | 2012 |
| SR 4018 (appl 745) over Trout Creek | Good | 43.0 ft | 1,825 | 2017 |
| Sr3001 Chestnut RD over Swabia Creek | Good | 22.0 ft | 1,390 | 2010 |
| SR 2047 over S Branch Of Saucon Creek | Good | 86.9 ft | 1,389 | 2010 |
| SR 2018(lr 39026) over Trib. To Swabia Creek | Good | 24.0 ft | 1,318 | 1962 |
| Columbia Street over Coplay Creek | Good | 40.0 ft | 1,300 | 2000 |
| SR 3013(lr 39082) over Mill Creek | Good | 22.0 ft | 983 | 1957 |
| Camp Meeting Road over Saucon Creek | Good | 116.1 ft | 851 | 2018 |
| Hunters Hill Road over Jordan Creek | Good | 51.8 ft | 826 | 2011 |
| SR 4007 (lr39058) over Jordan Creek | Good | 116.1 ft | 794 | 2014 |
| Cetronia Road over Iron Run | Good | 86.9 ft | 500 | 2006 |
| Ramp Ab over Pa Tpk (i-476) | Good | 151.9 ft | 500 | 2016 |
| Pa 863 (lr 39066) over Ontelaunee Creek | Good | 102.0 ft | 370 | 1998 |
| T-544 Werley Road over Cedar Creek Tributary | Good | 40.0 ft | 250 | 2018 |
| South Albert ST over Trout Creek | Good | 22.0 ft | 250 | 2015 |
| Coplay Creek Road over Coplay Creek | Good | 35.1 ft | 200 | 1995 |
| T-383 Cassel RD over Pa Tpk (i-476) | Good | 178.1 ft | 200 | 1955 |
| Excelsior Road over Coplay Creek | Good | 32.2 ft | 200 | 2003 |
| Dylan Drive over Little Cedar Creek | Good | 54.1 ft | 200 | 1999 |
| Sr4025 over Jordan Creek | Good | 113.8 ft | 159 | 2011 |
| Valley Road over Saucon Creek | Good | 45.9 ft | 150 | 1993 |
| SR 4037 over Ontelaunee Creek | Good | 92.8 ft | 150 | 2012 |
| Bear Road over Mill Creek | Good | 49.9 ft | 150 | 2021 |
| Hickory Lane over Haasen Creek | Good | 36.1 ft | 140 | 2017 |
| Portland Street over Coplay Creek | Good | 26.9 ft | 120 | 1991 |
| Sr3008 Cetronia RD over Detention Pond Overflow | Good | 23.0 ft | 100 | 1997 |
| Bittners Corner RD over Jordan Creek | Good | 60.0 ft | 100 | 2019 |
| Old Village Road over Lyon Creek | Good | 36.1 ft | 50 | 2009 |