| CR 310 over Davidson Creek | Poor | 60.0 ft | 250 | 1940 |
| CR 146 over Birch Creek | Poor | 80.1 ft | 59 | 1940 |
| SH 21 over Porters Creek | Fair | 22.0 ft | 16,349 | 1968 |
| SH 21 over Greens Creek | Fair | 56.1 ft | 15,418 | 1964 |
| SH 36 over Second Davidson Creek | Fair | 210.0 ft | 7,544 | 1937 |
| SH 36 over Brushy Creek | Fair | 174.9 ft | 7,544 | 1937 |
| SH 36 over Pin Oak Creek | Fair | 33.1 ft | 6,923 | 1937 |
| SH 36 over Copperas Creek | Fair | 26.9 ft | 6,822 | 1936 |
| SH 36 over Ryan Creek | Fair | 55.1 ft | 6,009 | 1937 |
| SH 21 WB over East Yegua Creek | Fair | 700.1 ft | 4,204 | 1939 |
| FM 50 over Old River | Fair | 182.1 ft | 2,700 | 1974 |
| FM 50 over Yegua Creek | Fair | 230.0 ft | 2,588 | 1992 |
| FM 50 over Mooring Slough | Fair | 22.0 ft | 2,061 | 1953 |
| Pr 57 over Birch Creek | Fair | 33.1 ft | 1,133 | 1965 |
| FM 1361 over Thompson Creek | Fair | 61.0 ft | 965 | 1987 |
| FM 1361 over Davidson Creek Relief | Fair | 151.9 ft | 965 | 1987 |
| FM 1361 over Davidson Creek | Fair | 424.9 ft | 965 | 1987 |
| FM 2039 over Thornton Branch | Fair | 23.0 ft | 917 | 1956 |
| FM 2039 over Dix Branch | Fair | 28.9 ft | 917 | 1956 |
| FM 2039 over Porter Creek | Fair | 33.1 ft | 917 | 1956 |
| FM 2039 over Jones Creek | Fair | 29.9 ft | 917 | 1936 |
| FM 2000 over Cedar Creek | Fair | 121.1 ft | 882 | 1966 |
| FM 908 over Hills Branch | Fair | 48.9 ft | 689 | 1959 |
| FM 975 over Up Rr | Fair | 154.9 ft | 498 | 1970 |
| CR 132 over Birch Creek Branch | Fair | 29.9 ft | 469 | 1950 |
| FM 1362 over Sue Creek | Fair | 60.0 ft | 442 | 1947 |
| CR 132 over Yegua Creek | Fair | 274.9 ft | 407 | 1965 |
| FM 111 over Draw | Fair | 23.0 ft | 295 | 1964 |
| CR 328 over Thompson Creek | Fair | 27.9 ft | 286 | 1999 |
| CR 144 over Dry Creek | Fair | 28.9 ft | 260 | 1940 |
| CR 119 over Davidson Creek Relief | Fair | 29.9 ft | 250 | 1950 |
| CR 310 over Davidson Creek Branch | Fair | 29.9 ft | 250 | 1960 |
| CR 119 over Davidson Creek | Fair | 60.0 ft | 217 | 1950 |
| CR 119 over Small Creek | Fair | 29.9 ft | 200 | 1950 |
| CR 119 over Small Creek | Fair | 29.9 ft | 150 | 1950 |
| CR 318 over Porter Branch | Fair | 30.8 ft | 150 | 2001 |
| CR 288 over Davidson Creek Tributary | Fair | 40.0 ft | 150 | 2018 |
| FM 111 over Yegua Creek Draw | Fair | 29.9 ft | 146 | 1953 |
| CR 260 over Old River | Fair | 54.5 ft | 140 | 1940 |
| CR 130 over Dry Creek | Fair | 29.9 ft | 120 | 2002 |
| CR 106 over Second Davidson Crk Br | Fair | 48.9 ft | 103 | 1984 |
| FM 60 over Davidson Creek | Fair | 600.1 ft | 100 | 1951 |
| FM 60 over Davidson Creek Relief | Fair | 149.9 ft | 100 | 1951 |
| CR 244 over Deep Creek | Fair | 60.0 ft | 100 | 1950 |
| CR 106 over Second Davidson Creek | Fair | 39.0 ft | 80 | 1960 |
| CR 243 over Carrington Creek | Fair | 29.9 ft | 75 | 1950 |
| CR 377 over Thompson Branch | Fair | 34.1 ft | 70 | 1997 |
| CR 315 over Davidson Creek | Fair | 39.0 ft | 70 | 1950 |
| CR 269 over Old River | Fair | 47.2 ft | 60 | 1987 |
| CR 211 over Cedar Creek Tributary | Fair | 60.0 ft | 20 | 2003 |
| CR 299 over Old River Tributary | Fair | 28.9 ft | 20 | 1955 |
| FM 1361 over Bethel Draw | Fair | 22.0 ft | 17 | 1954 |
| SH 21 over Davidson Creek | Good | 319.9 ft | 19,649 | 1968 |
| SH 21 over Drainage Ditch | Good | 23.0 ft | 15,418 | 2007 |
| SH 21 over Small Creek | Good | 26.9 ft | 14,244 | 1936 |
| SH 36 over Thompson Creek | Good | 26.9 ft | 10,403 | 1937 |
| SH 21 WB over Up Rr | Good | 259.8 ft | 8,655 | 1979 |
| SH 36 over Yegua Creek | Good | 419.9 ft | 7,967 | 1971 |
| SH 36 over Davidson Creek Relief | Good | 103.0 ft | 7,925 | 1937 |
| SH 21 EB over Up Rr | Good | 259.8 ft | 7,607 | 1988 |
| SH 36 over Brushy Creek Relief | Good | 22.0 ft | 7,544 | 1937 |
| SH 36 over Davidson Creek | Good | 241.1 ft | 6,822 | 1937 |
| SH 36 over Davidson Creek Relief | Good | 138.1 ft | 6,822 | 1937 |
| SH 36 over East Pin Oak Creek | Good | 33.1 ft | 6,256 | 1937 |
| SH 21 WB over Second Davidson Creek | Good | 141.1 ft | 6,117 | 1964 |
| FM 60 over Old River Tributary | Good | 29.9 ft | 4,663 | 2015 |
| SH 21 EB over Drainage Ditch | Good | 28.9 ft | 4,640 | 2007 |
| FM 60 over Draw | Good | 84.0 ft | 4,442 | 2015 |
| FM 60 EB over Old River | Good | 399.9 ft | 4,243 | 2010 |
| FM 60 WB over Old River | Good | 399.9 ft | 4,243 | 2011 |
| SH 21 EB over East Yegua Creek | Good | 700.1 ft | 4,204 | 2007 |
| SH 21 EB over Second Davidson Creek | Good | 140.1 ft | 4,100 | 2007 |
| FM 60 EB over Davidson Creek | Good | 899.9 ft | 3,072 | 2024 |
| FM 60 EB over Davidson Creek Relief | Good | 600.1 ft | 3,072 | 2024 |
| FM 50 over Middle Creek | Good | 102.4 ft | 2,700 | 1974 |
| FM 50 over Kountz Bayou | Good | 121.1 ft | 2,548 | 1974 |
| FM 60 over Big Creek | Good | 69.9 ft | 2,200 | 2024 |
| FM 60 over Little Big Creek | Good | 60.0 ft | 2,154 | 1954 |
| FM 50 over Fountain Slough | Good | 60.0 ft | 2,061 | 1953 |
| FM 166 over Davidson Creek | Good | 160.1 ft | 1,983 | 1984 |
| FM 50 over Ash Pond Slough | Good | 60.0 ft | 1,774 | 1953 |
| FM 60 over Hickory Creek | Good | 60.0 ft | 1,453 | 2017 |
| FM 60 over Big Creek Branch | Good | 60.0 ft | 1,453 | 2024 |
| FM 60 over Dry Creek | Good | 25.9 ft | 1,411 | 1964 |
| FM 50 over Maria Slough | Good | 25.6 ft | 1,352 | 2019 |
| FM 2155 over Draw | Good | 29.9 ft | 1,274 | 1950 |
| FM 2155 over Draw | Good | 29.9 ft | 1,274 | 1950 |
| FM 3058 over Davidson Draw | Good | 28.9 ft | 1,270 | 1968 |
| FM 3058 over Berry Draw | Good | 30.8 ft | 1,158 | 1974 |
| FM 696 over Buffalo Creek | Good | 80.1 ft | 1,050 | 1987 |
| FM 2039 over Ruback Creek | Good | 28.9 ft | 917 | 1956 |
| FM 2000 over Draw | Good | 25.9 ft | 882 | 1955 |
| FM 696 over Hookers Creek | Good | 90.9 ft | 871 | 1987 |
| FM 2155 over Bethel Creek | Good | 80.1 ft | 805 | 2016 |
| FM 2155 over Bethel Draw | Good | 55.1 ft | 805 | 2017 |
| Rr 4 over Big Creek | Good | 22.0 ft | 782 | 1969 |
| FM 111 over Draw | Good | 29.9 ft | 748 | 1953 |
| FM 696 over East Yegua Creek | Good | 516.1 ft | 685 | 1967 |
| FM 166 over Berry Creek | Good | 48.9 ft | 594 | 2008 |
| CR 202 over Davidson Creek | Good | 68.9 ft | 592 | 1992 |
| FM 166 over Old River | Good | 120.1 ft | 397 | 1984 |
| FM 1362 over Cedar Creek | Good | 200.1 ft | 367 | 2005 |
| CR 244 over Sessums Creek | Good | 69.9 ft | 300 | 2023 |
| CR 132 over Birch Creek | Good | 100.1 ft | 300 | 2021 |
| CR 377 over Davidson Creek | Good | 29.9 ft | 240 | 2003 |
| CR 119 over Berry Creek | Good | 49.9 ft | 230 | 2011 |
| FM 975 over Second Davidson Creek | Good | 120.1 ft | 196 | 1992 |
| CR 264 over Butler Bayou | Good | 40.0 ft | 180 | 1995 |
| CR 333 over Cedar Creek | Good | 49.9 ft | 180 | 2008 |
| Mallard RD over Berry Creek | Good | 80.1 ft | 180 | 2024 |
| CR 443 over Old River | Good | 158.1 ft | 150 | 2001 |
| FM 111 over Draw | Good | 28.9 ft | 146 | 1961 |
| CR 319 over Porter Branch | Good | 95.1 ft | 140 | 2021 |
| CR 208 over Up Rr | Good | 118.1 ft | 130 | 2002 |
| CR 122 over Davidson Creek | Good | 33.1 ft | 130 | 1999 |
| CR 125 over Brushy Creek | Good | 40.0 ft | 130 | 2011 |
| CR 201 over Davidson Creek Relief | Good | 39.0 ft | 120 | 2008 |
| CR 423 over Davidson Creek | Good | 60.0 ft | 120 | 2008 |
| CR 106 over Second Davidson Creek | Good | 66.9 ft | 103 | 2001 |
| CR 126 over Brushy Creek | Good | 35.1 ft | 100 | 2002 |
| CR 319 over Porter Branch | Good | 49.9 ft | 100 | 2006 |
| CR 348 over Hookers Creek | Good | 35.1 ft | 90 | 2014 |
| CR 324 over Porter Branch | Good | 59.1 ft | 90 | 2001 |
| CR 440 over Old River | Good | 158.1 ft | 60 | 2001 |
| CR 138 over East Yegua Creek | Good | 65.0 ft | 56 | 2001 |
| CR 272 over Small Creek | Good | 49.9 ft | 56 | 2023 |
| CR 301 over Oak Branch | Good | 65.0 ft | 50 | 2023 |