Bridge conditions in Washoe County, Nevada
338 inventoried bridges · 7 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
7 of the 338 bridges the federal inventory lists in Washoe County are rated poor; the rest split 163 good and 168 fair.
- 7 of the 338 bridges in Washoe County, Nevada, are rated in poor condition (2.1%) in the 2025 National Bridge Inventory, as of .
- 163 bridges (48.2%) are rated good and 168 (49.7%) fair.
- The median Washoe County bridge was built in 1989.
- The busiest poor-rated bridge is I 80 over City Streets(nugget) (built 1966), carrying about 69,000 vehicles a day.
Good 48.2% · Fair 49.7% · Poor 2.1% of 338 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 80 over City Streets(nugget) | 1966 | 69,000 | Poor |
| I 80 over City Streets(nugget) | 1966 | 69,000 | Poor |
| Keystone Av over Truckee River | 1966 | 12,800 | Poor |
| Arlington Av over Truckee Rvr | 1938 | 10,000 | Poor |
| Sierra St over Truckee Rvr | 1937 | 7,600 | Poor |
| Fr WA09 Canyon Way over Sprr | 1962 | 1,300 | Poor |
| Evans Creek Dr over Evans Crk | 1991 | 605 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 580 over Vassar St | 1977 | 170,000 | Good |
| I 580 SB over 2ND St/GLENDALE AVE | 2022 | 170,000 | Good |
| I 580 over SR647 4TH St Sprr | 1971 | 163,000 | Fair |
| I 580 over SR667 & Truckee Rvr | 1971 | 163,000 | Fair |
| I 580 over Rmp I80E to US395N | 1969 | 163,000 | Good |
| I 580 NB over SR648 Glendale Av | 1977 | 163,000 | Good |
| I 580 over SR653 Plumb Ln | 1980 | 146,000 | Fair |
| I 80 over SR667 El Rancho | 1969 | 138,000 | Good |
| I 80 over Wells Av | 1970 | 124,000 | Fair |
| I 80 over SR 666 Sutro St | 1970 | 121,000 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Nevada: Nevada 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.