Moffat Rd over Marias River 011
Liberty County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Moffat Rd over Marias River 011 in Liberty County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1995, making it 30 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 3 of the 10 inventoried bridges in Liberty County rated good (30.0%); 0 (0.0%) 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 December 2023, on a 24-month routine inspection cycle.
- 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 → (48.26478, -110.99102)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 183 ft |
| Location | 17M S Chester |
| NBI structure number | L26006007+03001 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Liberty County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 2 over Cottonwood Creek | 1953 | 2,325 | Fair |
| S 223 over Cottonwood Creek | 1960 | 518 | Fair |
| S 223 over Cottonwood Creek | 1963 | 409 | Fair |
| S 223 over Marias River | 1966 | 270 | Fair |
| County Rd 001 over Cottonwood Creek | 2020 | 100 | Good |
| Pugsley Rd over Marias River 006 | 1951 | 100 | Fair |
All bridges nearby: Liberty County, MT bridge conditions · every bridge in Liberty County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.