US 30 over Snake River;gridley Br.
Gooding County, Idaho · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 30 over Snake River;gridley Br. in Gooding County, Idaho, 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 1961, making it 64 years old at the 2025 inventory.
- It carries about 2,100 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 53 of the 80 inventoried bridges in Gooding County rated fair (66.2%); 5 (6.2%) 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 → (42.75897, -114.87761)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete stringer or multi-beam girder |
| Length | about 1,560 ft |
| Location | 4.3 S. Hagerman |
| NBI structure number | 000000000013580 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Gooding County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 84 over 250 North Rd.gs | 1972 | 19,000 | Fair |
| I 84 over W-26 Canal | 1972 | 19,000 | Fair |
| I 84 Ebl over Uprr;e.bliss Railroad Op | 1975 | 9,250 | Fair |
| I 84 Wbl over Uprr;e.bliss Railroad Op | 1975 | 9,250 | Fair |
| I 84 Ebl over Frontage Rd;gs NO.3 | 1977 | 9,250 | Fair |
| I 84 Wbl over Frontage Rd;gs NO.3 | 1977 | 9,250 | Fair |
All bridges nearby: Gooding County, ID bridge conditions · every bridge in Gooding County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.