Frontage Rd over Sarpy Creek 003
Treasure County, Montana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Frontage Rd over Sarpy Creek 003 in Treasure County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1925, making it 100 years old at the 2025 inventory.
- It carries about 28 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 4 of the 26 inventoried bridges in Treasure County rated poor (15.4%); 4 (15.4%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (46.29451, -107.13733)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 4 | Poor condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Steel through truss |
| Length | about 102 ft |
| Location | 4M E Hysham |
| NBI structure number | L52005007+06001 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Treasure County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 94 over Sep RR | 1973 | 5,042 | Good |
| I 94 over Int Hysham | 1964 | 2,521 | Good |
| I 94 over Int Hysham | 1976 | 2,521 | Good |
| I 94 over Sarpy Creek | 1967 | 2,521 | Good |
| I 94 over Sarpy Creek | 1976 | 2,094 | Good |
| Frontage Road 018 over Irrigation Ditch 001 | 1933 | 281 | Poor |
All bridges nearby: Treasure County, MT bridge conditions · every bridge in Treasure County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.