College Drive over I-80
Sweetwater County, Wyoming · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- College Drive over I-80 in Sweetwater County, Wyoming, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1989, making it 36 years old at the 2025 inventory.
- It carries about 8,450 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 129 of the 191 inventoried bridges in Sweetwater County rated fair (67.5%); 14 (7.3%) 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 → (41.59726, -109.24165)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 8 | Very good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 251 ft |
| Location | Rock Springs Marginal |
| NBI structure number | FHW |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wyoming department of transportation.
Busiest bridges in Sweetwater County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Wyo 376 over UPRR | 1977 | 14,871 | Fair |
| Wyo 376 over Bitter Creek | 1977 | 14,871 | Fair |
| I-80 / US 30 Bus over Bitter Creek | 1991 | 14,286 | Fair |
| I-80 Wbl over I-80 Service Road | 1969 | 13,609 | Fair |
| I-80 Wbl over East Green River Intg | 2002 | 13,609 | Fair |
| I-80 EBL and WBL over Alkali Flat | 1964 | 11,730 | Fair |
All bridges nearby: Sweetwater County, WY bridge conditions · every bridge in Sweetwater County · Wyoming bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.