I-70 (SR-70) Wbl over Bitter Seep Wash
Emery County, Utah · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-70 (SR-70) Wbl over Bitter Seep Wash in Emery County, Utah, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1989, making it 36 years old at the 2025 inventory.
- It carries about 3,355 vehicles a day (traffic count year 2014).
- Its listed owner is the state highway agency.
- It is one of 23 of the 125 inventoried bridges in Emery County rated good (18.4%); 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 2024, on a 24-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 → (38.83939, -111.07222)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 81 ft |
| Location | W. of S. Salt Wash Intchg |
| NBI structure number | 4F 556 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| 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 Emery County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-70 (SR-70) over A Frame Bridge Wash | 1968 | 12,596 | Fair |
| I-70 (SR-70) over Saleratus Wash | 1984 | 9,579 | Fair |
| I-70 (SR-70 Ebl) over Missile Base Service Rd | 1981 | 9,579 | Fair |
| I-70 (SR-70) Ebl over County Road to Airport | 1984 | 9,579 | Fair |
| I-70 (SR-70) Ebl over Saleratus Wash | 1984 | 9,579 | Fair |
| I-70 (SR-70) Ebl over SR-19 Intchg. X-road. | 1984 | 9,579 | Fair |
All bridges nearby: Emery County, UT bridge conditions · every bridge in Emery County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.