State Highway 24 over Ft. Peck Spillway
FairMcCone County, Montana · 4 Miles East of Fort Peck · Structure no. CEPMROMT0000011
- Built
- 1937
- 88 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Concrete
- Length
- 1,018 ft
- 20 main spans
- Daily traffic
- 203
- 2019 count
- Owner
- Federal
- Corps of Engineers (Civil)
About this bridge
State Highway 24 over Ft. Peck Spillway is a concrete tee beam carrying State Highway 24 over Ft. Peck Spillway in McCone County, Montana. It was built in 1937, so it is 88 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 203 vehicles a day, roughly 7% of them trucks, projected to reach 300 by 2040. The structure is 1,018 ft (310.2 m) long and 34 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Highway 24 over Ft. Peck Spillway built?
It was built in 1937, making it 88 years old in 2025.
What condition is State Highway 24 over Ft. Peck Spillway 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 State Highway 24 over Ft. Peck Spillway carry?
About 203 vehicles per day (2019 count), of which roughly 7% are trucks.
How long is State Highway 24 over Ft. Peck Spillway?
The structure is 1,018 ft (310.2 m) long with a longest span of 51 ft (15.5 m) and a deck 34 ft wide.
Who owns State Highway 24 over Ft. Peck Spillway?
It is owned by the Corps of Engineers (Civil).