SR-21 over Beaver River
Beaver County, Utah · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR-21 over Beaver River in Beaver County, Utah, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1960, making it 65 years old at the 2025 inventory.
- It carries about 1,675 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 43 of the 53 inventoried bridges in Beaver County rated fair (81.1%); 2 (3.8%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.25337, -112.76692)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete frame |
| Length | about 76 ft |
| Location | 7.2 Miles West of Beaver |
| NBI structure number | 0D 659 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Utah department of transportation.
Busiest bridges in Beaver County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-15 (SR-15) Nbl over Deer Crossing | 1975 | 25,503 | Fair |
| I-15 (SR-15) Nbl over County Access Road | 1975 | 25,503 | Fair |
| I-15 (SR-15) Sbl over Deer Crossing | 1984 | 25,503 | Fair |
| I-15 (SR-15) Sbl over County Access Road | 1975 | 25,503 | Fair |
| I-15 (SR-15)NBRamp over North Wash | 1964 | 24,161 | Fair |
| I-15 (SR-15) Nbl over SR-160 | 1970 | 24,161 | Fair |
All bridges nearby: Beaver County, UT bridge conditions · every bridge in Beaver County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.