E Antelope RD over Antelope Creek 036
FairSheridan County, Montana · E Antelope · Structure no. L46270000+06001
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected December 2023
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
E Antelope RD over Antelope Creek 036 is a prestressed concrete channel beam carrying E Antelope RD over Antelope Creek 036 in Sheridan County, Montana. It was built in 1987, so it is 38 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 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 E Antelope RD over Antelope Creek 036 built?
It was built in 1987, making it 38 years old in 2025.
What condition is E Antelope RD over Antelope Creek 036 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 December 2023.
How much traffic does E Antelope RD over Antelope Creek 036 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is E Antelope RD over Antelope Creek 036?
The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.
Who owns E Antelope RD over Antelope Creek 036?
It is owned by the County Highway Agency.