I-70 (SR-70) Wbl over Nash Wash
Grand County, Utah · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-70 (SR-70) Wbl over Nash Wash in Grand County, Utah, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1971, making it 54 years old at the 2025 inventory.
- It carries about 9,164 vehicles a day (traffic count year 2023).
- 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.
- 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 September 2023, 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 → (38.94155, -109.40292)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 126 ft |
| Location | 0.2 MI.E.of W.CISCO INT. |
| NBI structure number | 4F 268 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.