S 200 over Stockpass
Lewis and Clark County, Montana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S 200 over Stockpass in Lewis and Clark County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1949 and reconstructed in 1984, making it 76 years old at the 2025 inventory.
- It carries about 1,432 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- 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 → (47.24124, -112.22497)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 7 | Good condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 20 ft |
| Location | 23M SW Simms |
| NBI structure number | P00024104+02001 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
All bridges nearby: Lewis and Clark County, MT bridge conditions · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.