Sarpy Creek RD over Little Bighorn River
FairBig Horn County, Montana · 3M E Hardin · Structure no. S00384001+06281
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 185 ft
- 3 main spans
- Daily traffic
- 514
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sarpy Creek RD over Little Bighorn River is a prestressed concrete stringer/multi-beam or girder carrying Sarpy Creek RD over Little Bighorn River in Big Horn County, Montana. It was built in 1962, so it is 63 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 514 vehicles a day, roughly 3% of them trucks, projected to reach 545 by 2043. The structure is 185 ft (56.4 m) long and 27 ft wide. If it were closed, the detour would be 44.1 mi (71 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sarpy Creek RD over Little Bighorn River built?
It was built in 1962, making it 63 years old in 2025.
What condition is Sarpy Creek RD over Little Bighorn River 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 July 2024.
How much traffic does Sarpy Creek RD over Little Bighorn River carry?
About 514 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Sarpy Creek RD over Little Bighorn River?
The structure is 185 ft (56.4 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.
Who owns Sarpy Creek RD over Little Bighorn River?
It is owned by the State Highway Agency.