W Lake RD over Big Muddy Creek 046
PoorPosted for loadSheridan County, Montana · 3M W Medicine Lake · Structure no. L46406002+03001
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 40 ft
- 2 main spans
- Daily traffic
- 79
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
W Lake RD over Big Muddy Creek 046 is a wood or timber stringer/multi-beam or girder carrying W Lake RD over Big Muddy Creek 046 in Sheridan County, Montana. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.
It carries about 79 vehicles a day, roughly 8% of them trucks, projected to reach 83 by 2043. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 W Lake RD over Big Muddy Creek 046 built?
It was built in 1950, making it 75 years old in 2025.
What condition is W Lake RD over Big Muddy Creek 046 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 December 2024.
How much traffic does W Lake RD over Big Muddy Creek 046 carry?
About 79 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is W Lake RD over Big Muddy Creek 046?
The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.
Who owns W Lake RD over Big Muddy Creek 046?
It is owned by the County Highway Agency.