P-81 over Warm Spring Creek
GoodFergus County, Montana · 13M SW Hilger · Structure no. 000000202006213
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 102 ft
- 1 main span
- Daily traffic
- 377
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
P-81 over Warm Spring Creek is a prestressed concrete stringer/multi-beam or girder carrying P-81 over Warm Spring Creek in Fergus County, Montana. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 377 vehicles a day, roughly 8% of them trucks, projected to reach 396 by 2043. The structure is 102 ft (31.1 m) long and 44 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was P-81 over Warm Spring Creek built?
It was built in 2020, making it 5 years old in 2025.
What condition is P-81 over Warm Spring Creek 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 October 2024.
How much traffic does P-81 over Warm Spring Creek carry?
About 377 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is P-81 over Warm Spring Creek?
The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 44 ft wide.
Who owns P-81 over Warm Spring Creek?
It is owned by the State Highway Agency.