County Road over Santa Clara River
Washington County, Utah · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road over Santa Clara River in Washington County, Utah, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2005, making it 20 years old at the 2025 inventory.
- It carries about 1,323 vehicles a day (traffic count year 2010).
- Its listed owner is the county highway agency.
- It is one of 143 of the 177 inventoried bridges in Washington County rated fair (80.8%); 1 (0.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 7 to 6.
- Its most recent inspection on record is dated February 2024, on a 24-month routine inspection cycle.
- 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 → (37.28106, -113.76792)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 83 ft |
| Location | In Gunlock |
| NBI structure number | 053049F |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Utah department of transportation.
Busiest bridges in Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-15 over Washington Main Street | 2023 | 67,000 | Good |
| I-15 over Mall Drive | 2017 | 66,408 | Good |
| I-15 over Mall Drive | 2017 | 66,408 | Good |
| I-15 (SR-15) Nb&sb over Mill Creek | 1964 | 64,174 | Fair |
| I-15 (SR-15) Nbl over SR-212 SPUI.INT.X-Road. | 2003 | 64,174 | Fair |
| I-15 (SR-15) Sbl over SR-212 Spui Int.x-road. | 2003 | 64,174 | Fair |
All bridges nearby: Washington County, UT bridge conditions · every bridge in Washington County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.