US 87 over Otter Creek
FairJudith Basin County, Montana · 1M SE Raynesford · Structure no. P00057011+04001
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected February 2023
- Type
- Culvert
- Steel
- Length
- 37 ft
- 2 main spans
- Daily traffic
- 2,361
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 87 over Otter Creek is a steel culvert carrying US 87 over Otter Creek in Judith Basin County, Montana. It was built in 1964, so it is 61 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 5 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 2,361 vehicles a day, roughly 17% of them trucks, projected to reach 2,479 by 2043. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 98.8 mi (159 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 87 over Otter Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is US 87 over Otter 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 February 2023.
How much traffic does US 87 over Otter Creek carry?
About 2,361 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is US 87 over Otter Creek?
The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).
Who owns US 87 over Otter Creek?
It is owned by the State Highway Agency.