N 300 W over S Channel Spring Creek
Teton County, Idaho · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N 300 W over S Channel Spring Creek in Teton County, Idaho, 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 1967, making it 58 years old at the 2025 inventory.
- It carries about 310 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 20 of the 37 inventoried bridges in Teton County rated good (54.1%); 2 (5.4%) are rated poor.
- 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 → (43.80561, -111.16031)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete frame |
| Length | about 21 ft |
| Location | 0.4 S. Tetonia |
| NBI structure number | 000000000021130 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Teton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 33 over Teton Creek | 1979 | 11,500 | Fair |
| SH 33 over Trail Creek | 2010 | 7,500 | Good |
| SH 33 over Trail Creek | 2010 | 7,500 | Good |
| SH 33 over Moose Creek | 2010 | 7,500 | Good |
| SH 31 over Trail Creek;victor Br | 1996 | 6,200 | Fair |
| SH 33 over Spring Creek | 1975 | 5,600 | Poor |
All bridges nearby: Teton County, ID bridge conditions · every bridge in Teton County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.