Bridge conditions in Yuma County, Arizona
262 inventoried bridges · 6 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Yuma County tracks close to typical: 6 of its 262 inventoried bridges (2.3%) are rated poor, against a national rate of about 7%.
- 6 of the 262 bridges in Yuma County, Arizona, are rated in poor condition (2.3%) in the 2025 National Bridge Inventory, as of .
- 133 bridges (50.8%) are rated good and 123 (46.9%) fair.
- The median Yuma County bridge was built in 1968.
- The busiest poor-rated bridge is I 8 EB over Colo R Pentntry Av SPTCO (built 1978), carrying about 8,350 vehicles a day.
Good 50.8% · Fair 46.9% · Poor 2.3% of 262 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 8 EB over Colo R Pentntry Av SPTCO | 1978 | 8,350 | Poor |
| Irr Bia Rte 31 over Southern Pacific RR | 1965 | 3,550 | Poor |
| Local & Canal Serv over Main Outlet Drain Extens | 1966 | 25 | Poor |
| O&M Crossover over Main Outlet Drain Extens | 1966 | 20 | Poor |
| Pacific Ave./Count over Main Outlet Drain Extens | 1966 | 20 | Poor |
| County 3rd Street over North Gila Canal | 1936 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 16th St over UPRR | 1951 | 41,102 | Fair |
| US 95 over I-8 | 1970 | 35,771 | Fair |
| 24th Street over Yuma East Main Canal | 1977 | 31,727 | Fair |
| Main Street over Main Drain | 1999 | 24,767 | Good |
| US 95 over East Main Canal | 1969 | 22,266 | Fair |
| 32nd St over East Main Canal | 1984 | 21,418 | Good |
| I-8 EB over Avenue 3E | 2003 | 21,392 | Fair |
| 32nd Street over A Canal | 2002 | 21,305 | Good |
| I-8; EB over SR B8 & Canal | 1968 | 20,457 | Fair |
| I 8; EB over Fortuna SPRR | 1968 | 20,457 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Arizona: Arizona bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.