3rd LN NW over Muddy Creek 018
PoorTeton County, Montana · 10M NE Farmington · Structure no. L50015003+01001
- Built
- 1938
- 87 years old, rebuilt 1988
- Condition
- Poor
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 88 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
3rd LN NW over Muddy Creek 018 is a steel stringer/multi-beam or girder carrying 3rd LN NW over Muddy Creek 018 in Teton County, Montana. It was built in 1938 and reconstructed in 1988, so it is 87 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 88 ft (26.8 m) long and 24 ft wide. If it were closed, the detour would be 26.1 mi (42 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 3rd LN NW over Muddy Creek 018 built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1988.
What condition is 3rd LN NW over Muddy Creek 018 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.
How much traffic does 3rd LN NW over Muddy Creek 018 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is 3rd LN NW over Muddy Creek 018?
The structure is 88 ft (26.8 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.
Who owns 3rd LN NW over Muddy Creek 018?
It is owned by the County Highway Agency.