9th LN NE over Muddy Creek 115
GoodTeton County, Montana · 4M W Power · Structure no. L50003003+00001
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 30 ft
- 1 main span
- Daily traffic
- 19
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
9th LN NE over Muddy Creek 115 is a wood or timber stringer/multi-beam or girder carrying 9th LN NE over Muddy Creek 115 in Teton County, Montana. It was built in 1982, so it is 43 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 19 vehicles a day, roughly 3% of them trucks, projected to reach 20 by 2043. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| 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 9th LN NE over Muddy Creek 115 built?
It was built in 1982, making it 43 years old in 2025.
What condition is 9th LN NE over Muddy Creek 115 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 January 2025.
How much traffic does 9th LN NE over Muddy Creek 115 carry?
About 19 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is 9th LN NE over Muddy Creek 115?
The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.
Who owns 9th LN NE over Muddy Creek 115?
It is owned by the County Highway Agency.