Old US 87 over Pryor Creek 069
FairYellowstone County, Montana · 8M SE Billings · Structure no. L56791008+06001
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 101 ft
- 1 main span
- Daily traffic
- 564
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Old US 87 over Pryor Creek 069 is a prestressed concrete stringer/multi-beam or girder carrying Old US 87 over Pryor Creek 069 in Yellowstone County, Montana. It was built in 1979, so it is 46 years old, younger 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 564 vehicles a day, roughly 2% of them trucks, projected to reach 592 by 2043. The structure is 101 ft (30.8 m) long and 28 ft wide. If it were closed, the detour would be 57.8 mi (93 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Old US 87 over Pryor Creek 069 built?
It was built in 1979, making it 46 years old in 2025.
What condition is Old US 87 over Pryor Creek 069 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 February 2025.
How much traffic does Old US 87 over Pryor Creek 069 carry?
About 564 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Old US 87 over Pryor Creek 069?
The structure is 101 ft (30.8 m) long with a longest span of 100 ft (30.5 m) and a deck 28 ft wide.
Who owns Old US 87 over Pryor Creek 069?
It is owned by the State Highway Agency.