Sierra St over UPRR
Washoe County, Nevada · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sierra St over UPRR in Washoe County, Nevada, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2006, making it 19 years old at the 2025 inventory.
- It carries about 10,000 vehicles a day (traffic count year 2017).
- Its listed owner is a city or municipal highway agency.
- It is one of 163 of the 338 inventoried bridges in Washoe County rated good (48.2%); 7 (2.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2024, on a 48-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.5282, -119.81508)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 56 ft |
| Location | Reno |
| NBI structure number | G2773 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nevada department of transportation.
Busiest bridges in Washoe 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 |
All bridges nearby: Washoe County, NV bridge conditions · every bridge in Washoe County · Nevada bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.