13th LN NE over Teton River 099
FairTeton County, Montana · 5M N Dutton · Structure no. L50352005+08001
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 348 ft
- 5 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
13th LN NE over Teton River 099 is a prestressed concrete stringer/multi-beam or girder carrying 13th LN NE over Teton River 099 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 348 ft (106 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 13th LN NE over Teton River 099 built?
It was built in 1965, making it 60 years old in 2025.
What condition is 13th LN NE over Teton River 099 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.
How much traffic does 13th LN NE over Teton River 099 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is 13th LN NE over Teton River 099?
The structure is 348 ft (106 m) long with a longest span of 72 ft (21.8 m) and a deck 32 ft wide.
Who owns 13th LN NE over Teton River 099?
It is owned by the State Highway Agency.