6127 Conn-mule Rd. over 17 Mile CR
Lincoln County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 6127 Conn-mule Rd. over 17 Mile CR in Lincoln County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1993, making it 32 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 1995).
- It is one of 70 of the 191 inventoried bridges in Lincoln County rated good (36.6%); 29 (15.2%) 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 September 2022, on a 48-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 → (48.67639, -115.81871)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 66 ft |
| Location | .1 From Jct 471 |
| NBI structure number | 011404000000254 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2022 |
| Inspection interval (item 91) | 48 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 Lincoln County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 2 over Flower Creek | 1970 | 8,882 | Good |
| California Ave over Kootenai River | 1959 | 5,674 | Fair |
| US 2 over Big Cherry Creek | 1976 | 5,295 | Poor |
| California Ave over RR | 1999 | 4,833 | Good |
| US 2 over Callahan Creek | 1989 | 3,671 | Fair |
| US 2 over Lake Creek | 1989 | 3,377 | Fair |
All bridges nearby: Lincoln County, MT bridge conditions · every bridge in Lincoln County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.