2200 North Road over Salmon Main Canal
Twin Falls County, Idaho · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 2200 North Road over Salmon Main Canal in Twin Falls 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 1971, making it 54 years old at the 2025 inventory.
- It carries about 60 vehicles a day (traffic count year 2023).
- It is one of 107 of the 126 inventoried bridges in Twin Falls County rated fair (84.9%); 5 (4.0%) 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 7 to 8.
- Its most recent inspection on record is dated October 2024, on a 24-month routine inspection cycle.
- 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 → (42.31711, -114.61458)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 8 | Very good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 49 ft |
| Location | 2.5 S. 2.0 W. Hollister |
| NBI structure number | 000000000025490 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Twin Falls County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 93 over Perrine Coulee;bike Path | 2006 | 33,000 | Fair |
| US 93 over Snake River; Perrine Br. | 1976 | 31,500 | Fair |
| SH 74 over Rock Creek | 1993 | 19,000 | Good |
| US 30 over Perrine Coulee Canal | 1960 | 15,500 | Fair |
| US 93 over Rock Creek | 2011 | 15,000 | Fair |
| STC7232;BLUE Lakes over Rock Creek | 1959 | 11,500 | Poor |
All bridges nearby: Twin Falls County, ID bridge conditions · every bridge in Twin Falls County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.