Airport Road over Bear River
Bear Lake County, Idaho · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Airport Road over Bear River in Bear Lake 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 1916 and reconstructed in 1984, making it 109 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 20 of the 34 inventoried bridges in Bear Lake County rated fair (58.8%); 0 (0.0%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated April 2023, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (42.25219, -111.2885)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 202 ft |
| Location | 2.2 N. 1.1 W. Dingle |
| NBI structure number | 000000000022225 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Bear Lake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 89 over UPRR;12TH St.;montpelier | 1971 | 4,800 | Fair |
| US 89 over Bear River | 1973 | 3,500 | Good |
| US 30 over Georgetown Creek | 2016 | 3,400 | Good |
| US 89 over Ovid Creek | 2014 | 3,100 | Good |
| US 89 over Bear Lake Canal | 1973 | 3,100 | Fair |
| US 89 over Ovid Creek | 2019 | 2,000 | Good |
All bridges nearby: Bear Lake County, ID bridge conditions · every bridge in Bear Lake County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.