County Road 128 over Musselshell River 022
Meagher County, Montana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 128 over Musselshell River 022 in Meagher County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1986, making it 39 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 7 of the 53 inventoried bridges in Meagher County rated poor (13.2%); 7 (13.2%) 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 4 to 3.
- Its most recent inspection on record is dated August 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (46.46909, -110.29034)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 3 | Serious condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 50 ft |
| Location | 2M NE Martinsdale |
| NBI structure number | L30171000+03001 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Meagher County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 12 over South Fork Smith River | 1997 | 1,023 | Fair |
| US 89 Fh 32 over North Fork Smith River | 1955 | 607 | Fair |
| Main St over North Fork Smith River | 1962 | 575 | Fair |
| US 12 over N Fork Musselshell R | 2014 | 508 | Fair |
| US 12 over Four Mile Creek | 1937 | 486 | Fair |
| US 89 Fh 32 over Sheep Creek | 1939 | 376 | Fair |
All bridges nearby: Meagher County, MT bridge conditions · every bridge in Meagher County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.