| Interstate 95 over Tacony St.and Bridge St. | Philadelphia | 280,088 | 1967 | 986.9 ft |
| Interstate 95 over Fraley Street | Philadelphia | 280,088 | 1967 | 55.1 ft |
| Interstate 95 over Earth Fill & Sewer Acces | Philadelphia | 225,137 | 1968 | 1396.0 ft |
| Delaware Expway. over Venango Street | Philadelphia | 177,086 | 1965 | 63.0 ft |
| Delaware Expway. over Wheatsheaf Lane | Philadelphia | 177,086 | 1965 | 88.9 ft |
| Interstate 95(sb) over US 322 EB & Ramp A | Delaware | 117,917 | 1967 | 240.2 ft |
| SR 0083; I-83 over Susq.river;r.r.lowther S | Dauphin | 89,499 | 1960 | 3324.1 ft |
| Schuylkill Expway. over Waverly Road(t669) | Montgomery | 89,047 | 1951 | 118.1 ft |
| Interstate 95 N.b. over Fairmount Avenue | Philadelphia | 80,788 | 1975 | 61.0 ft |
| SR 422 (lr793) over Thun Recreational Trail | Berks | 71,101 | 1963 | 753.0 ft |
| Route 30 By-pass over Creek RD Brandywine Ck. | Chester | 69,924 | 1961 | 234.9 ft |
| I-83; SR 0083 over T-955; Limekiln RD | York | 68,340 | 1952 | 99.1 ft |
| Interstate 95 S.b. over Fairmount Avenue | Philadelphia | 66,507 | 1975 | 61.0 ft |
| Schuylkill Expway. over Matsonford Road | Montgomery | 66,436 | 1950 | 60.0 ft |
| New Us-1 Bypass over Norfolk Southern | Bucks | 60,959 | 1966 | 244.1 ft |
| Pottstown Expway over Sanatoga RD Sanatoga CR | Montgomery | 59,904 | 1965 | 333.0 ft |
| SR 422(lr 793) over Schuylkill River | Berks | 59,527 | 1963 | 700.1 ft |
| I-83; SR 0083 over US 30; SR 0030 | York | 57,639 | 1959 | 213.9 ft |
| 83 over 181 George ST | York | 57,639 | 1957 | 226.0 ft |
| I-83; SR 0083 over 2002/springwood RD | York | 57,515 | 1959 | 125.0 ft |
| I-78 (lr 285) over Reading/northern Rr T571 | Berks | 55,285 | 1955 | 1801.8 ft |
| I-83; SR 0083 over 462; Market | York | 54,739 | 1959 | 186.0 ft |
| Parkway East over Old Wm Penn HWY Leak Run | Allegheny | 52,457 | 1962 | 224.1 ft |
| Mcknight RD over Babcock BLVD Girdys Run | Allegheny | 50,212 | 1946 | 221.1 ft |
| Roosevelt BLVD Ext over Roberts Ave;septa;csx | Philadelphia | 50,167 | 1960 | 2588.9 ft |
| Roosevelt Blvd. over 5th Street (overpass) | Philadelphia | 49,662 | 1955 | 168.0 ft |
| Pa Tpk (i-276) over T-346 Blomsdal RD | Bucks | 46,280 | 1954 | 100.1 ft |
| Pa Turnpike(i-276) over Bristol Ind.rr:db-252 | Bucks | 46,280 | 1954 | 51.8 ft |
| Bethlehem Pike over Br W Br Neshaminy Creek | Bucks | 45,881 | 1934 | 32.2 ft |
| Wanamaker Avenue over I-95 And Ramps | Delaware | 45,201 | 1975 | 246.1 ft |
| Pa Tpk (i-76) over SR 0993 Brush Ck. & Rr | Westmoreland | 44,987 | 1952 | 1001.0 ft |
| WB County Line Exp over North Gulph Road | Montgomery | 43,626 | 1966 | 210.0 ft |
| EB County Line Exp over North Gulph Road | Montgomery | 42,360 | 1965 | 209.0 ft |
| Pa Tpk (i-276) over SR 2027 & Nesh.cr | Bucks | 41,867 | 1954 | 478.0 ft |
| Tr309 Cross Valley over Toby Creek | Luzerne | 41,421 | 1963 | 88.9 ft |
| Tr309 Cross Valley over Toby Creek | Luzerne | 41,421 | 1963 | 46.9 ft |
| City Line Avenue over Septa(bala Station) | Philadelphia | 39,654 | 1910 | 62.0 ft |
| Pa Turnpike (i-76) over Plum Creek | Allegheny | 38,689 | 1952 | 26.9 ft |
| Pa Tpk (i-76) over T-911 | Allegheny | 38,689 | 1952 | 32.2 ft |
| 34th Street over Csx Rr Tunnels | Philadelphia | 37,818 | 1896 | 166.0 ft |
| Ridge Pike over Norfolk Southern Rr | Montgomery | 36,517 | 1936 | 60.0 ft |
| Ridge Pike over Norfolk Southern | Montgomery | 36,517 | 1937 | 92.8 ft |
| Pa Tpk (i-70&i-76) over SR 2019(lr 05036) | Bedford | 36,252 | 1939 | 27.9 ft |
| Pa Tpk (i-76) over SR 1004 (lr 05039) | Bedford | 36,252 | 1939 | 46.9 ft |
| Pottstown Pike over Valley Creek | Chester | 36,125 | 1954 | 64.0 ft |
| Easton Road over Branch Neshaminy Creek | Bucks | 35,170 | 1937 | 23.0 ft |
| Beth.pk;w.end BLVD over Morgan Creek | Bucks | 35,087 | 1936 | 32.2 ft |
| SR 0309 Tr 309 over Tobys Creek | Luzerne | 34,229 | 1928 | 43.0 ft |
| Media By-pass over Ridley Ck.rd;ridley Ck. | Delaware | 34,005 | 1959 | 303.1 ft |
| Old Welsh Road over Pennypack Creek | Montgomery | 32,800 | 1968 | 149.0 ft |
| SR 0309 Tr 309 over Ramp A; SR 8039 | Luzerne | 32,542 | 1980 | 174.9 ft |
| Conchester Highway over Csx Railroad | Delaware | 32,167 | 1949 | 242.1 ft |
| Belmont Avenue over Schuylkill River | Montgomery | 32,092 | 1928 | 564.0 ft |
| I-81 Nb; SR 0081 over Pa Turnpike | Cumberland | 31,734 | 1963 | 123.0 ft |
| E. Lancaster AVE over Branch Browns Run | Delaware | 31,662 | 1960 | 24.0 ft |
| Beth.pk;w.end BLVD over Beaver Run | Bucks | 30,549 | 1936 | 29.9 ft |
| Route 30 By-pass over West Br Brandywine Creek | Chester | 30,490 | 1963 | 253.9 ft |
| I-81 Sb; SR 0081 over Pa Turnpike | Cumberland | 30,422 | 1963 | 123.0 ft |
| Bethlehem Pike over W. Br. Neshaminy Creek | Montgomery | 30,106 | 1934 | 24.9 ft |
| SR 0309 Tr 309 over Toby Creek | Luzerne | 29,878 | 1941 | 67.9 ft |
| SR 0309 Tr 309 over Toby Creek | Luzerne | 29,878 | 1941 | 56.1 ft |
| SR 0309 Tr 309 over Toby Creek | Luzerne | 29,878 | 1941 | 44.9 ft |
| 84th Str & Hook RD over Darby Creek | Philadelphia | 29,821 | 1974 | 214.9 ft |
| State Road over Darby Creek | Delaware | 29,754 | 1950 | 105.0 ft |
| Cottman Avenue over Roosevelt Blvd. | Philadelphia | 29,582 | 1967 | 102.0 ft |
| Old York Road over Septa | Montgomery | 29,145 | 1905 | 115.2 ft |
| I-81 SB over Luz Co Rail Authority | Luzerne | 29,000 | 1966 | 250.0 ft |
| SR 0081 I-81 NB over SR 6309 | Luzerne | 28,742 | 1967 | 267.1 ft |
| I-81 NB over Luz Co Rail Authority | Luzerne | 28,742 | 1966 | 233.9 ft |
| US 22; SR 0022 over Susquehanna River | Dauphin | 28,506 | 1986 | 1108.9 ft |
| Spring Garden Str. over Amtrak(32nd)(hbg)septa F | Philadelphia | 28,399 | 1964 | 547.9 ft |
| Spring Garden Str. over Amtrak(nec) | Philadelphia | 28,399 | 1964 | 88.9 ft |
| Marshall Road over Cobbs Creek | Delaware | 28,224 | 1964 | 251.0 ft |
| Pa 33 SB (lr1098) over Bushkill Creek | Northampton | 27,991 | 2004 | 168.0 ft |
| Township Line Road over Cobbs Creek | Delaware | 27,899 | 1934 | 29.9 ft |
| Pa 33 Nb(lr1098) over Bushkill Creek | Northampton | 27,739 | 2004 | 161.1 ft |
| Woodhaven Road EB over Poquessing Creek | Philadelphia | 27,219 | 1964 | 60.0 ft |
| Markley/elm Street over Stony Creek | Montgomery | 27,202 | 1878 | 68.9 ft |
| SR 0309 Tr 309 SB over SR 2022 Railrd N.washing | Luzerne | 25,802 | 1984 | 1128.0 ft |
| Mlk Jr. Drive over Schuylkill River | Philadelphia | 25,095 | 1966 | 690.0 ft |
| Traffic Route 13 over Penn Valley Road | Bucks | 24,470 | 1955 | 158.1 ft |
| U.s. Route 13 over Tyburn Road | Bucks | 24,470 | 1954 | 148.0 ft |
| Mr 0115 Tr 115 over Reading Bluemt& Northern | Luzerne | 24,427 | 1941 | 66.9 ft |
| Sproul Road over Us-1 Bypass | Delaware | 23,771 | 1977 | 118.1 ft |
| New Middletown RD over Septa | Delaware | 23,431 | 1949 | 146.0 ft |
| Pa 61(lr 160) over Kaerchers Ck | Berks | 22,738 | 1952 | 24.9 ft |
| Pa Tpk (i-76) over SR 1001 Beaver Riv Rr | Beaver | 22,663 | 1952 | 1545.9 ft |
| Pa 230; SR 0230 over Asylum Run | Dauphin | 22,619 | 1950 | 24.9 ft |
| Pa Tpk (i-76) over Little Augwick Creek | Fulton | 22,430 | 1939 | 77.1 ft |
| Kennywood BLVD over Union Rr Thompson Run | Allegheny | 22,325 | 1928 | 808.1 ft |
| Pa Tpk (i-476) over Mud Run | Carbon | 22,283 | 1957 | 737.9 ft |
| US 11; SR 0011 over Letort Spring Creek | Cumberland | 22,247 | 1908 | 45.9 ft |
| US 209 (lr 461 W) over Marshalls Creek | Monroe | 21,886 | 1930 | 98.1 ft |
| US 209 & Pa 33nb over Appenzell Creek | Monroe | 21,808 | 1963 | 179.1 ft |
| Ramp Ab over Pa Tpk (i-476) | Lehigh | 21,503 | 1956 | 102.0 ft |
| BLVD Of The Allies over Csx Rr & Bike Trail | Allegheny | 21,211 | 1938 | 779.9 ft |
| Pa Tpk (i-76)wb over T-300 & Service RD | Huntingdon | 21,197 | 1969 | 142.1 ft |
| I-81 Sb; SR 0081 over SR 3015; Mt. Rock Rd. | Cumberland | 21,042 | 1963 | 134.8 ft |
| N Ave&brighton RD over N-s Rr-allegheny Park | Allegheny | 21,000 | 1905 | 87.9 ft |
| Panther Hollow RD over Overlook Drive | Allegheny | 21,000 | 1988 | 59.1 ft |
| Hunting Park Ave. over Conrail (fairhill Br.) | Philadelphia | 21,000 | 1930 | 45.9 ft |
| I-81 Nb; SR 0081 over SR 3015; Mt. Rock Rd. | Cumberland | 20,917 | 1963 | 134.8 ft |
| Connor RD over Pat Trolley # 9830 | Allegheny | 20,817 | 1983 | 113.8 ft |
| SR 0663 Lr 923 over Pa Tpk (i-476) | Bucks | 20,666 | 1955 | 155.8 ft |
| US 0011 over SR 3013 North Main AVE | Lackawanna | 20,572 | 1963 | 79.1 ft |
| SR 0011 Tr 11 over SR 6307 Keyser AVE | Lackawanna | 20,572 | 1963 | 134.8 ft |
| SR 0081 I-81 NB over Nrflk Sthrn Rr & Bl Crk | Luzerne | 20,336 | 1967 | 467.8 ft |
| 61st Street over Septa (ahsl) | Philadelphia | 20,000 | 1928 | 62.0 ft |
| Byberry Road over Csx Transportation | Philadelphia | 20,000 | 1996 | 140.1 ft |
| SR 0022 over Raccoon Creek | Washington | 19,995 | 1970 | 63.0 ft |
| Doylestown By-pass over Septa & Lr 09041 | Bucks | 19,992 | 1973 | 374.0 ft |
| Doylestown By-pass over Septa & Lr 09041 | Bucks | 19,881 | 1973 | 377.0 ft |
| Sumneytown Pike over Towamencin Creek | Montgomery | 19,455 | 1986 | 20.0 ft |
| Middletown Road over Baltimore Pike | Delaware | 19,170 | 1935 | 60.0 ft |
| I-81 NB over SR 3007 @ Exit 155 | Luzerne | 19,167 | 1965 | 118.1 ft |
| I-81 NB over Big Wapwallopen Creek | Luzerne | 19,167 | 1965 | 144.0 ft |
| Industrial Highway over Conrail;little Crum Crk. | Delaware | 18,945 | 1948 | 469.2 ft |
| SR 3009 Paxton ST over Norfolk Southern Rr | Dauphin | 18,893 | 1929 | 176.8 ft |
| East Washington ST over Neshannock Creek | Lawrence | 18,779 | 1909 | 145.0 ft |
| Pennsylvania Ave. over White Clay Creek | Chester | 18,776 | 1927 | 68.9 ft |
| North Gulph Road over Abrams Run | Montgomery | 18,669 | 1953 | 30.8 ft |
| Falls Bridge over Schuylkill River | Philadelphia | 18,650 | 1895 | 565.9 ft |
| Sr1011 (8th Ave) over Norfolk Southern Rr | Lehigh | 18,578 | 1967 | 30.8 ft |
| I-80 EB (lr 1002) over SR 2005 (lr 45019) | Monroe | 18,540 | 1963 | 41.0 ft |
| SR 2004 River ST over Mill Creek | Luzerne | 18,527 | 1929 | 39.0 ft |
| Washington Lane over Glenside Ave; Septa; Crk | Montgomery | 18,449 | 1958 | 634.8 ft |
| SR 0006 Tr 6 over Delaware River | Pike | 18,429 | 1939 | 659.1 ft |
| Ramp A Tarentum Br over 4th AVE Rampd Ns Rr | Allegheny | 18,420 | 1952 | 576.1 ft |
| Cobbs Creek Parkwa over Cobbs Creek | Philadelphia | 18,222 | 1924 | 80.1 ft |
| Lancaster Avenue over East Br. Brandywine Ck. | Chester | 18,163 | 1921 | 174.9 ft |
| Chester Pike over Crum Creek | Delaware | 18,095 | 1926 | 49.9 ft |
| Mckeesport BLVD over Union Railroad | Allegheny | 18,051 | 1960 | 123.0 ft |
| I-81 SB over SR 3007 (blue Ridge Tr) | Luzerne | 17,930 | 1965 | 123.0 ft |
| Boot Road over US Route 202 | Chester | 17,834 | 1968 | 192.9 ft |
| US 11&15; State.rd over Fishing Creek | Perry | 17,646 | 1936 | 35.1 ft |
| SR 0011 Tr 11 over Susq River Rr SR 2037 | Luzerne | 17,383 | 1924 | 1075.1 ft |
| Valley Forge Road over Trout/maschellamac Creek | Montgomery | 17,059 | 1874 | 69.9 ft |
| Sr0119 Nb&sb over Two Lick Creek | Indiana | 17,012 | 1960 | 145.0 ft |
| I-81 NB over I-80 WB | Luzerne | 16,986 | 1965 | 98.1 ft |
| Pa 447 (lr 497) over Sambo Creek | Monroe | 16,979 | 1924 | 37.1 ft |
| Chichester Avenue over Interstate 95 | Delaware | 16,959 | 1967 | 180.1 ft |
| Old William Penn over Thompson Run | Allegheny | 16,904 | 1924 | 33.1 ft |
| SR 4009 over Eliminated Rr Tracks | Lancaster | 16,883 | 1946 | 150.9 ft |
| Dillerville RD over Ns Rr | Lancaster | 16,883 | 1946 | 106.0 ft |
| SR 90 EB over Over T-666 Rohl Road | Erie | 16,574 | 1959 | 109.9 ft |
| Sr3022 over Brush Creek | Butler | 16,565 | 1965 | 86.0 ft |
| Chichester Avenue over Csx Railroad | Delaware | 16,499 | 1941 | 131.9 ft |
| Pa 741; SR 0741 over Amtrak/nsrc | Lancaster | 16,483 | 1969 | 200.1 ft |
| Us-1 Bypass (nb) over Mill Road (t-432) | Chester | 16,272 | 1965 | 105.0 ft |
| Beaver Valley Ex over Bunker Hill Road | Beaver | 16,163 | 1969 | 137.1 ft |
| Lincoln Highway over W Br Brandywine Creek | Chester | 16,027 | 1914 | 113.8 ft |
| SR 0081 I-81 NB over Nrflk Sthrn Rr | Luzerne | 15,950 | 1967 | 153.9 ft |
| Ridge Avenue over Wissahickon Creek | Philadelphia | 15,917 | 1888 | 98.1 ft |
| Skippack Pike over Skippack Creek | Montgomery | 15,908 | 1935 | 87.9 ft |
| SR 0040 over Catfish Creek | Washington | 15,885 | 1943 | 28.9 ft |
| I-81 SB over Nescopeck Creek | Luzerne | 15,765 | 1965 | 345.1 ft |
| Buck Road over Mill Creek | Bucks | 15,720 | 1932 | 113.8 ft |
| I-80 WB over Pa 93 Tr 93 Exit 253 | Luzerne | 15,666 | 1965 | 202.1 ft |
| SR 0415 Tr 415 over Toby Creek | Luzerne | 15,449 | 1941 | 27.9 ft |
| Beaver Valley Expy over Bunker Hill Road | Beaver | 15,435 | 1969 | 151.9 ft |
| US 30; Lincoln HWY over Rocky Mt Creek | Franklin | 15,365 | 1948 | 49.9 ft |
| Market Street over Schuylkill River | Philadelphia | 15,348 | 1932 | 350.1 ft |
| Market Street over Csx Railroad | Philadelphia | 15,348 | 1932 | 215.9 ft |
| SR 0309 Tr 309 over Bow Creek | Luzerne | 15,111 | 1929 | 27.9 ft |
| Painters Run RD over Painters Run | Allegheny | 15,049 | 1955 | 34.1 ft |
| South Negley Av over N-s Rr & Pat Ebusway | Allegheny | 15,000 | 1924 | 106.0 ft |
| Ramp A Off Ramp NB over Wheatsheaf Lane | Philadelphia | 14,950 | 1974 | 92.8 ft |
| Pa 462; Market St. over Trib Kreutz Creek | York | 14,919 | 1928 | 23.0 ft |
| Basin Street over Little Lehigh Creek | Lehigh | 14,700 | 1959 | 210.0 ft |
| SR 150-pa 150 over Logan Branch | Centre | 14,674 | 1934 | 44.0 ft |
| Us-1(nb) over Guernsey Road | Chester | 14,635 | 1967 | 97.1 ft |
| 2nd Street over Amtrak (ne Corridor) | Philadelphia | 14,600 | 1926 | 86.9 ft |
| I-81 NB over W. Foothills Drive | Luzerne | 14,586 | 1965 | 127.0 ft |
| SR 1009 Market ST over Susquehanna River | Luzerne | 14,585 | 1926 | 1274.0 ft |
| Lr417 Pa183 over Schuylkill River | Schuylkill | 14,475 | 1951 | 91.9 ft |
| I-80 EB over Pa 93 Tr 93 Exit 256 | Luzerne | 14,363 | 1965 | 210.0 ft |
| High Street over Sprogels Run | Montgomery | 14,340 | 1910 | 60.0 ft |
| SR 3012 over Spring Creek | Dauphin | 14,239 | 1938 | 37.1 ft |
| SR 0924 Tr 924 over Nrflk Sthrn Rr | Luzerne | 14,228 | 1967 | 148.0 ft |
| Beaver Valley Ex over SR 3016-green Garden RD | Beaver | 14,186 | 1969 | 163.1 ft |
| Armand Hammer BLVD over Norfolk Southern Rr | Montgomery | 14,151 | 1942 | 106.0 ft |
| SR 0115 Tr 115 NB over SR 0081 I-81 NB & SB | Luzerne | 14,137 | 1963 | 162.1 ft |
| Us-1(sb) over Guernsey Road | Chester | 14,067 | 1967 | 92.8 ft |
| Gap-newport Pike over Us-1 By-pass | Chester | 14,054 | 1965 | 130.9 ft |
| SR 329(lr 175) over Lehigh River | Lehigh | 13,934 | 1933 | 575.1 ft |
| Pa 72; S.main ST over Chickies Creek | Lancaster | 13,915 | 1955 | 127.0 ft |
| Butler Avenue over North Br.neshaminy Creek | Bucks | 13,911 | 1948 | 137.1 ft |
| Victory Avenue over Septa (p&w) Route 100 | Delaware | 13,750 | 1931 | 86.0 ft |
| Victory Avenue over Cobbs Creek | Delaware | 13,750 | 1937 | 53.1 ft |
| Mr 0315 Tr 315 over Reading Bluemt& Northern | Luzerne | 13,677 | 1984 | 242.1 ft |
| Hamilton Street over Jordan Creek & Rjcn | Lehigh | 13,600 | 1973 | 317.9 ft |
| Abbottsford Avenue over Conrail And Septa | Philadelphia | 13,600 | 1929 | 66.9 ft |
| Tpk Ramp Ab I-70 over Pa Tpk (i-76) | Bedford | 13,591 | 1969 | 198.2 ft |
| Eighth AVE over Homestead Run | Allegheny | 13,386 | 1940 | 23.0 ft |
| Chester Pike over Darby Creek | Delaware | 13,380 | 1931 | 85.0 ft |
| SR 0422 Eb&wb over Trib To Muddy Creek | Butler | 13,364 | 1949 | 21.0 ft |
| Butler Pike over Wissahickon Creek | Montgomery | 13,301 | 1926 | 198.2 ft |
| Willits Road over Wooden Bridge Run | Philadelphia | 13,244 | 1953 | 35.1 ft |
| SR 8015 I-81 Ramp over SR 0081 I-81 | Lackawanna | 13,171 | 1961 | 214.9 ft |
| Washing. St(06233) over Norfolk/southern Rr | Berks | 13,104 | 1882 | 64.0 ft |