Bridge conditions in Mohave County, Arizona
640 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 640 bridges in Mohave County: 462 rated good, 174 fair, and 4 poor.
- 4 of the 640 bridges in Mohave County, Arizona, are rated in poor condition (0.6%) in the 2025 National Bridge Inventory, as of .
- 462 bridges (72.2%) are rated good and 174 (27.2%) fair.
- The median Mohave County bridge was built in 1973.
- The busiest poor-rated bridge is I 15 over Virgin River (built 1967), carrying about 32,192 vehicles a day.
Good 72.2% · Fair 27.2% · Poor 0.6% of 640 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 15 over Virgin River | 1967 | 32,192 | Poor |
| I 15; NB over Virgin River | 1972 | 17,105 | Poor |
| I 15; SB over Virgin River | 1973 | 14,906 | Poor |
| I 40; EB over Willow Creek | 1976 | 8,689 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 95 over Wash | 1970 | 52,726 | Good |
| I 15 over Virgin River | 2023 | 32,832 | Good |
| I 40 & Beverly Ave over Wash | 1981 | 32,763 | Good |
| SR 95 over Dump Wash | 1989 | 32,600 | Good |
| I 15 over Virgin River | 1967 | 32,192 | Poor |
| I 15 over Virgin River | 1972 | 32,011 | Fair |
| I 15 over Virgin River | 1973 | 32,011 | Fair |
| I 15 over Virgin River | 1973 | 32,011 | Good |
| I 15 over Virgin River | 1973 | 31,926 | Fair |
| Laughlin Rd Br over Colorado River | 1987 | 31,500 | 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.