Nfsr 6438 over Spring Creek
Meagher County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfsr 6438 over Spring Creek in Meagher County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2010, making it 15 years old at the 2025 inventory.
- It carries about 40 vehicles a day.
- It is one of 10 of the 53 inventoried bridges in Meagher County rated good (18.9%); 7 (13.2%) 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 July 2024, 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 → (46.58648, -110.46824)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 41 ft |
| Location | N 3.9 Mi. Jct. US12& 6438 |
| NBI structure number | 011506000013176 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.