Route 4106 over Theodore
GoodPowell County, Montana · No Data Entered · Structure no. 011204000016997
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 34 ft
- 2 main spans
- Daily traffic
- 40
- Owner
- Federal
- U.S. Forest Service
About this bridge
Route 4106 over Theodore is a prestressed concrete stringer/multi-beam or girder carrying Route 4106 over Theodore in Powell County, Montana. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 40 vehicles a day, projected to reach 60 by 2045. The structure is 34 ft (10.4 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 4106 over Theodore built?
It was built in 2015, making it 10 years old in 2025.
What condition is Route 4106 over Theodore 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 2024.
How much traffic does Route 4106 over Theodore carry?
About 40 vehicles per day (latest count).
How long is Route 4106 over Theodore?
The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 16 ft wide.
Who owns Route 4106 over Theodore?
It is owned by the U.S. Forest Service.