414 S.F.Callahan over No Fk Callahan CR
GoodLincoln County, Montana · 0.9 Miles Past JCT W/427 · Structure no. 011404000000199
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected August 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 81 ft
- 1 main span
- Daily traffic
- 20
- 1995 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
414 S.F.Callahan over No Fk Callahan CR is a prestressed concrete tee beam carrying 414 S.F.Callahan over No Fk Callahan CR in Lincoln County, Montana. It was built in 1978, so it is 47 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 20 vehicles a day, projected to reach 30 by 2045. The structure is 81 ft (24.7 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 414 S.F.Callahan over No Fk Callahan CR built?
It was built in 1978, making it 47 years old in 2025.
What condition is 414 S.F.Callahan over No Fk Callahan CR in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.
How much traffic does 414 S.F.Callahan over No Fk Callahan CR carry?
About 20 vehicles per day (1995 count).
How long is 414 S.F.Callahan over No Fk Callahan CR?
The structure is 81 ft (24.7 m) long with a longest span of 80 ft (24.4 m) and a deck 16 ft wide.
Who owns 414 S.F.Callahan over No Fk Callahan CR?
It is owned by the U.S. Forest Service.