Johnson Bridge Rd over Stillwater River
Stillwater County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Johnson Bridge Rd over Stillwater River in Stillwater County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2021, making it 4 years old at the 2025 inventory.
- It carries about 201 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 28 of the 92 inventoried bridges in Stillwater County rated good (30.4%); 1 (1.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated January 2024, 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 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 → (45.5285, -109.46948)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Steel through truss |
| Length | about 156 ft |
| Location | 2M NW Absarokee |
| NBI structure number | 000000202104474 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Stillwater County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 90 over Cove Irrigation Ditch | 1970 | 12,321 | Good |
| I 90 over Int Exit 396 | 1963 | 10,845 | Fair |
| I 90 over Int Park City | 1967 | 7,580 | Fair |
| I 90 over Int Park City | 1967 | 7,580 | Fair |
| I 90 over Sep Pope Road | 1967 | 7,580 | Fair |
| I 90 over Sep Pope Road | 1967 | 7,580 | Fair |
All bridges nearby: Stillwater County, MT bridge conditions · every bridge in Stillwater County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.