Tee Beam bridges
T-shaped concrete beams cast with the deck, popular from the 1920s through the 1960s. The inventory lists 34,917 of them, 5.6% of all US bridges.
- Bridges
- 34,917
- Share of all bridges
- 5.6%
- Poor condition
- 8.4%
- 2,933 bridges
- Average age
- 61.4 yrs
- Combined length
- 887 mi
- Oldest
- 1800
Tee Beam bridges by state
| State | Tee Beam | Share of state's bridges |
|---|---|---|
| California | 2,754 | 10.6% |
| Missouri | 2,120 | 8.6% |
| Kentucky | 2,103 | 14.4% |
| Alabama | 1,936 | 12.0% |
| Georgia | 1,921 | 12.7% |
| Tennessee | 1,773 | 8.7% |
| Kansas | 1,759 | 7.1% |
| Pennsylvania | 1,549 | 6.6% |
| Colorado | 1,277 | 14.2% |
| Texas | 1,132 | 2.0% |
| Washington | 1,065 | 12.5% |
| Oregon | 1,019 | 12.2% |
| Iowa | 1,014 | 4.3% |
| Idaho | 884 | 19.0% |
| South Dakota | 879 | 14.9% |
| Indiana | 844 | 4.3% |
| Virginia | 833 | 5.9% |
| Oklahoma | 771 | 3.4% |
| South Carolina | 749 | 7.9% |
| Montana | 742 | 14.2% |
| Nebraska | 707 | 4.6% |
| Michigan | 663 | 5.8% |
| Arkansas | 524 | 4.0% |
| North Carolina | 486 | 2.5% |
| Wyoming | 479 | 15.3% |
| Minnesota | 436 | 3.2% |
| Alaska | 425 | 25.6% |
| North Dakota | 353 | 8.3% |
| Louisiana | 296 | 2.3% |
| Illinois | 283 | 1.1% |
| Florida | 275 | 2.1% |
| Vermont | 273 | 9.5% |
| Ohio | 267 | 1.0% |
| Utah | 261 | 8.3% |
| Hawaii | 243 | 20.6% |
| Maine | 232 | 9.1% |
| Massachusetts | 229 | 4.3% |
| Puerto Rico | 201 | 8.3% |
| Mississippi | 171 | 1.0% |
| New York | 165 | 0.9% |
| Arizona | 145 | 1.7% |
| Maryland | 132 | 2.4% |
| Connecticut | 121 | 2.8% |
| New Mexico | 97 | 2.4% |
| West Virginia | 87 | 1.2% |
| New Jersey | 74 | 1.1% |
| New Hampshire | 70 | 2.7% |
| Nevada | 36 | 1.7% |
| Rhode Island | 23 | 2.9% |
| Wisconsin | 23 | 0.2% |
| District of Columbia | 7 | 2.7% |
| Delaware | 5 | 0.6% |
| U.S. Virgin Islands | 4 | 16.7% |
Materials used
| Concrete | 49.0% |
| Prestressed Concrete | 27.1% |
| Concrete Continuous | 18.7% |
| Prestressed Concrete Continuous | 5.1% |
| Wood or Timber | 0.1% |
| Steel | 0.0% |
When they were built
Busiest
- Mon CO Rt 19/25 over Scotts RunPoorMonongalia County, West Virginia · 600,500 vehicles/day
- I-75 over CSX RailroadGoodFulton County, Georgia · 349,000 vehicles/day
- Interstate 5 over LA Paz RDFairOrange County, California · 327,000 vehicles/day
- I 405 & Collector over Route 710 & RampsFairLos Angeles County, California · 293,231 vehicles/day
- Interstate 405 over Jefferson BlvdFairLos Angeles County, California · 284,000 vehicles/day
Longest
- Route 13 Nbl over Ches. Bay - Trestle CGoodNorthampton County, Virginia · 24,111 ft
- US0190 over Morganza FldwyFairPointe Coupee Parish, Louisiana · 18,778 ft
- Interstate 80 over Yolo Causeway EastGoodYolo County, California · 8,800 ft
- Interstate 5 SB over Yolo BypassFairYolo County, California · 8,711 ft
- Interstate 5 NB over Yolo BypassFairYolo County, California · 8,711 ft
Oldest
- Early St. over Genetta DitchPoorMontgomery County, Alabama · Built 1800
- US 44 Winthrop ST over Water Mill RiverFairBristol County, Massachusetts · Built 1850
- HWY Pond ST over Water Ten Mile RiverFairBristol County, Massachusetts · Built 1850
- HWY Center ST over Water Segreganset RiverFairBristol County, Massachusetts · Built 1850
- ST187 Litle Riv RD over Water Great BrookFairHampden County, Massachusetts · Built 1850