Harvey Rd over Musselshell River 018
Musselshell County, Montana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Harvey Rd over Musselshell River 018 in Musselshell County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1916, making it 109 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2025).
- Its listed owner is the county highway agency.
- It is one of 1 of the 28 inventoried bridges in Musselshell County rated poor (3.6%); 1 (3.6%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: deck 6 to 4, superstructure 5 to 4.
- Its most recent inspection on record is dated June 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 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 → (46.56497, -107.90095)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 4 | Poor condition |
| Superstructure | 5 | 4 | Poor condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel through truss |
| Length | about 143 ft |
| Location | 3M SW Melstone |
| NBI structure number | L33027001+02001 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | June 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 Musselshell County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 87 over Musselshell River | 1996 | 2,799 | Good |
| US 87 over Park Coulee | 1995 | 2,548 | Good |
| US 87 over Razor Creek | 1995 | 2,548 | Good |
| US 87 over South Willow Creek | 1976 | 1,223 | Good |
| US 12 over Willow Creek | 1999 | 712 | Fair |
| US 12 over Drainage | 2003 | 480 | Good |
All bridges nearby: Musselshell County, MT bridge conditions · every bridge in Musselshell County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.