National Bridge Inventory: Texas



  • The state has identified needed repairs on 11,091 bridges.
  • This compares to 11,814 bridges that needed work in 2019.
  • Over the life of the IIJA, Texas will receive a total of $576.8 million in bridge formula funds, which will help make needed repairs.
  • Texas currently has access to $230.7 million of that total, and has committed $178.8 million towards 88 projects as of June 2023.
  • Of the 56,313 bridges in the state, 708, or 1.3 percent, are classified as structurally deficient. This means one of the key elements is in poor or worse condition.
  • This is down from 725 bridges classified as structurally deficient in 2019.
  • The deck area of structurally deficient bridges accounts for 1.2 percent of total deck area on all structures.

County Year Built Daily Crossings Type of Bridge Location
Dallas 1959 194,462 Urban Interstate IH 35E over Oak Lawn Ave & Turtle Ck
Harris 1966 187,570 Urban Interstate IH 610 over FM 521 & BNSF RR
Dallas 1995 141,993 Urban Interstate IH 30 over Lake Ray Hubbard
Dallas 1961 138,390 Urban Interstate IH 45 NB Conn C over IH 30
Harris 1960 116,204 Urban Interstate IH 45 SB over Crosstimbers St
Harris 1960 116,204 Urban Interstate IH 45 NB over Crosstimbers St
Jefferson 1958 89,604 Urban Interstate IH 10 over 11th St
Rockwall 1995 82,077 Urban Interstate IH 30 over East Fork Trinity River
Dallas 1971 81,504 Urban Interstate IH 30 WBml over IH 635
Dallas 1967 76,110 Urban Interstate IH 635 EB over KCS RR
Dallas 1967 76,110 Urban Interstate IH 635 WB over Tap RR
Dallas 1967 76,110 Urban Interstate IH 635 EB over SH 78 & KCS RR
Dallas 1954 68,837 Urban Interstate IH 45 over UP RR & Miller Ferry Rd
Dallas 1970 66,000 Urban other principal arterial Ss348NB to Ih35 NB over IH 35E SB
Dallas 1971 62,860 Urban freeway/expressway US 80 Conn A over US 80
Dallas 1971 62,860 Urban freeway/expressway US 80 Conn B over US 80
Dallas 1948 58,703 Urban freeway/expressway Lp 12 SB over Trinity Railway & Drain
Harris 1986 47,938 Urban freeway/expressway SH 146 over Clear Crk & Shipyard Dr
Harris 1970 44,730 Urban local road S Braeswood Blvd over Hcfcd Ditch
Dallas 1971 39,466 Urban Interstate IH 345 SB over IH 30 US 75 Dart Rail
Tarrant 1965 34,052 Urban freeway/expressway US 287 NB over Carey Street
Galveston 1939 33,950 Urban Interstate IH 45 NB over BNSF RR
Galveston 1965 33,950 Urban Interstate IH 45 SB over BNSF RR
Denton 1958 33,174 Urban Interstate IH 35 NBml over Clear Creek
Bell 1973 32,790 Urban freeway/expressway US 190 WBml over Trimmier Rd
Type of Bridge Number of Bridges Area of All Bridges
(sq. meters)
Daily Crossings on All Bridges Number of Structurally Deficient Bridges Area of Structurally Deficient Bridges
(sq. meters)
Daily Crossings on Structurally Deficient Bridges
Rural Interstate 2,269 2,069,642 38,072,503 10 7,483 101,147
Rural arterial 4,911 4,453,205 35,907,271 14 37,237 103,399
Rural minor arterial 3,904 2,747,491 13,964,509 28 59,468 122,656
Rural major collector 8,030 3,317,393 12,047,959 63 41,109 71,112
Rural minor collector 2,519 710,573 1,419,708 20 5,062 11,040
Rural local road 10,444 2,259,932 5,601,798 416 49,682 64,452
Urban Interstate 3,507 10,077,096 199,177,550 25 187,318 1,758,001
Urban freeway/expressway 4,796 14,473,287 153,879,044 18 78,549 513,845
Urban other principal arterial 4,111 6,123,428 67,055,782 24 58,045 393,140
Urban minor arterial 3,018 3,309,326 33,448,106 26 71,847 171,678
Urban collector 3,264 2,931,531 24,019,719 17 25,134 96,022
Urban local road 5,540 2,980,399 18,658,656 47 21,109 192,507
Total 56,313 55,453,304 603,252,605 708 642,042 3,598,999
Type of Work Number of Bridges Cost to Repair
(in millions)
Daily Crossings Area of Bridges
(sq. meters)
Bridge replacement 2,679 $1,290 9,375,480 1,156,881
Widening & rehabilitation 71 $30 936,171 42,409
Rehabilitation 586 $277 3,018,754 394,305
Deck rehabilitation/replacement 9 $1 1,506 1,564
Other structural work 7,746 $4,643 76,292,923 6,395,432
Total 11,091 $6,241 89,624,834 7,990,590

About the data:

Data and cost estimates are from the Federal Highway Administration (FHWA) National Bridge Inventory (NBI), downloaded on July 3, 2023. Note that specific conditions on bridges may have changed as a result of recent work or updated inspections.

Effective January 1, 2018, FHWA changed the definition of structurally deficient as part of the final rule on highway and bridge performance measures, published May 20, 2017 pursuant to the 2012 federal aid highway bill Moving Ahead for Progress in the 21st Century Act (MAP-21). Two measures that were previously used to classify bridges as structurally deficient are no longer used. This includes bridges where the overall structural evaluation was rated in poor or worse condition, or where the adequacy of waterway openings was insufficient.

The new definition limits the classification to bridges where one of the key structural elements—the deck, superstructure, substructure or culverts, are rated in poor or worse condition. During inspection, the conditions of a variety of bridge elements are rated on a scale of 0 (failed condition) to 9 (excellent condition). A rating of 4 is considered “poor” condition.

Cost estimates have been derived by ARTBA, based on 2022 average bridge replacement costs for structures on and off the National Highway System, published by FHWA. Bridge rehabilitation costs are estimated to be 68 percent of replacement costs. A bridge is considered to need repair if the structure has identified repairs as part of the NBI, a repair cost estimate is supplied by the bridge owner or the bridge is classified as structurally deficient. Please note that for a few states, the number of bridges needing to be repaired can vary significantly from year to year, and reflects the data entered by the state.

Bridges are classified by FHWA into types based on the functional classification of the roadway on the bridge. Interstates comprise routes officially designated by the Secretary of Transportation. Other principal arterials serve major centers of urban areas or provide mobility through rural areas. Freeways and expressways have directional lanes generally separated by a physical barrier, and access/egress points generally limited to on- and off-ramps. Minor arterials serve smaller areas and are used for trips of moderate length. Collectors funnel traffic from local roads to the arterial network; major collectors have higher speed limits and traffic volumes and are longer in length and spaced at greater intervals, while minor collectors are shorter and provide service to smaller communities. Local roads do not carry through traffic and are intended for short distance travel.

50
Compared to 51 in 2022

in the nation in % of structurally deficient bridges

1. West Virginia 20.0%
49. Delaware 1.0%
50. Texas 1.0%
51. Nevada 1.0%

21
Compared to 21 in 2022

in the nation in # of structurally deficient bridges

1. Iowa 4,558
20. Tennessee 898
21. Texas 708
22. Arkansas 697

49
Compared to 48 in 2022

in the nation in % of structurally deficient bridge deck area

1. Rhode Island 15.0%
48. Alabama 1.0%
49. Texas 1.0%
50. Arizona 1.0%
Full State Ranking

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  • Source: Data is from the Federal Highway Administration (FHWA) National Bridge Inventory (NBI), downloaded on July 3, 2023. Note that specific conditions on bridges may have changed as a result of recent work or updated inspections.

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