Mixed Types bridges
A structure combining more than one main structure type. The inventory lists 46 of them, 0.01% of all US bridges.
- Bridges
- 46
- Share of all bridges
- 0.01%
- Poor condition
- 13.0%
- 6 bridges
- Average age
- 74 yrs
- Combined length
- 2 mi
- Oldest
- 1907
Mixed Types bridges by state
| State | Mixed Types | Share of state's bridges |
|---|---|---|
| Tennessee | 12 | 0.06% |
| Georgia | 5 | 0.03% |
| South Carolina | 5 | 0.05% |
| North Carolina | 3 | 0.02% |
| Alabama | 3 | 0.02% |
| Indiana | 2 | 0.01% |
| Massachusetts | 2 | 0.04% |
| Montana | 2 | 0.04% |
| New Jersey | 2 | 0.03% |
| Kentucky | 1 | 0.01% |
| Louisiana | 1 | 0.01% |
| New Mexico | 1 | 0.02% |
| New York | 1 | 0.01% |
| Oklahoma | 1 | 0.00% |
| Rhode Island | 1 | 0.1% |
| Utah | 1 | 0.03% |
| West Virginia | 1 | 0.01% |
| Wyoming | 1 | 0.03% |
| California | 1 | 0.00% |
Materials used
| Concrete | 65.2% |
| Steel | 15.2% |
| Other | 6.5% |
| Prestressed Concrete | 6.5% |
| Steel Continuous | 2.2% |
| Prestressed Concrete Continuous | 2.2% |
When they were built
Busiest
- RTE I278 over RTE I278 Joralemon STPoorKings County, New York · 143,724 vehicles/day
- US 19 (nbl)/ SR 40 over Big CreekGoodForsyth County, Georgia · 89,700 vehicles/day
- NJ139EB-12 ST Vdct over I-78 WB & Local RdsFairHudson County, New Jersey · 38,491 vehicles/day
- ST 9 Russell ST over Water Connecticut RiverFairHampshire County, Massachusetts · 30,785 vehicles/day
- I-15 (SR-15) Nbl over Leap CreekFairWashington County, Utah · 22,630 vehicles/day
Longest
- NJ139EB-12 ST Vdct over I-78 WB & Local RdsFairHudson County, New Jersey · 1,833 ft
- ST 9 Russell ST over Water Connecticut RiverFairHampshire County, Massachusetts · 1,441 ft
- ROUTE10NB to 6 WB over Westmster Troy AMTRAK 10GoodProvidence County, Rhode Island · 946 ft
- NW 50th St. over I-235/ R.R.UnderGoodOklahoma County, Oklahoma · 495 ft
- US 301 SB over South Edisto River SwampFairBamberg County, South Carolina · 300 ft
Oldest
- ST 1 A/Main ST over RR MBTAPoorEssex County, Massachusetts · Built 1907
- US 40 over Mud CreekFairHendricks County, Indiana · Built 1921
- FAP 35 over Brown CreekFairBlount County, Tennessee · Built 1923
- FAU 211 over BranchGoodDyer County, Tennessee · Built 1923
- FAU 211 over BranchFairDyer County, Tennessee · Built 1923