I-70 (SR-70) over Salt Wash
Grand County, Utah · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-70 (SR-70) over Salt Wash in Grand County, Utah, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 8,647 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 98 of the 121 inventoried bridges in Grand County rated fair (81.0%); 1 (0.8%) 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 → (38.94518, -109.65094)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Steel culvert |
| Length | about 35 ft |
| Location | 4 Mi. E. of Thompson Int. |
| NBI structure number | 0V1267 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Utah department of transportation.
Busiest bridges in Grand County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-191 (SR-191) over Mill Creek | 1956 | 20,310 | Fair |
| US-191 (SR-191) over Pack Creek | 1955 | 20,310 | Fair |
| US-191 (SR-191) over Lower Courthouse Wash | 1991 | 14,182 | Fair |
| US-191 over Moab Canyon Wash | 2004 | 12,101 | Fair |
| I-70 (SR-70) over Corral Wash | 1960 | 11,872 | Fair |
| I-70 (SR-70) over Crooked Wash | 1960 | 11,872 | Fair |
All bridges nearby: Grand County, UT bridge conditions · every bridge in Grand County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.