S 5 over Dry Creek
FairSheridan County, Montana · 8M SW Westby · Structure no. P00030015+03131
- Built
- 1939
- 86 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 27 ft
- 1 main span
- Daily traffic
- 309
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 5 over Dry Creek is a wood or timber stringer/multi-beam or girder carrying S 5 over Dry Creek in Sheridan County, Montana. It was built in 1939, so it is 86 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 309 vehicles a day, roughly 26% of them trucks, projected to reach 324 by 2043. The structure is 27 ft (8.2 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 5 over Dry Creek built?
It was built in 1939, making it 86 years old in 2025.
What condition is S 5 over Dry Creek 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 August 2024.
How much traffic does S 5 over Dry Creek carry?
About 309 vehicles per day (2023 count), of which roughly 26% are trucks.
How long is S 5 over Dry Creek?
The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.
Who owns S 5 over Dry Creek?
It is owned by the State Highway Agency.