SH 33 over Teton Creek
Teton County, Idaho · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 33 over Teton Creek in Teton County, Idaho, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1979, making it 46 years old at the 2025 inventory.
- It carries about 11,500 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 15 of the 37 inventoried bridges in Teton County rated fair (40.5%); 2 (5.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 6 to 7.
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (43.70822, -111.11056)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 54 ft |
| Location | 1.1 S. Driggs |
| NBI structure number | 000000000013965 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
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 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 |
| SH 33 over S.fk.leigh Creek | 1979 | 5,600 | Good |
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.