Fdr 109 over S Fk Teton River
GoodTeton County, Montana · 3.5 Mi. SW of JCT 144/109 · Structure no. 011501000000011
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 113 ft
- 2 main spans
- Daily traffic
- 99
- Owner
- Federal
- U.S. Forest Service
About this bridge
Fdr 109 over S Fk Teton River is a prestressed concrete stringer/multi-beam or girder carrying Fdr 109 over S Fk Teton River in Teton County, Montana. It was built in 1965, so it is 60 years old, older 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 99 vehicles a day, projected to reach 148 by 2045. The structure is 113 ft (34.4 m) long and 17 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fdr 109 over S Fk Teton River built?
It was built in 1965, making it 60 years old in 2025.
What condition is Fdr 109 over S Fk Teton River 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 June 2024.
How much traffic does Fdr 109 over S Fk Teton River carry?
About 99 vehicles per day (latest count).
How long is Fdr 109 over S Fk Teton River?
The structure is 113 ft (34.4 m) long with a longest span of 55 ft (16.9 m) and a deck 17 ft wide.
Who owns Fdr 109 over S Fk Teton River?
It is owned by the U.S. Forest Service.