Custer Frtg RD over Automatic Creek 036
FairYellowstone County, Montana · 10M SW Custer · Structure no. L56788039+03001
- Built
- 1951
- 74 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 109 ft
- 2 main spans
- Daily traffic
- 119
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Custer Frtg RD over Automatic Creek 036 is a steel continuous stringer/multi-beam or girder carrying Custer Frtg RD over Automatic Creek 036 in Yellowstone County, Montana. It was built in 1951, so it is 74 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 119 vehicles a day, roughly 9% of them trucks, projected to reach 126 by 2043. The structure is 109 ft (33.2 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Custer Frtg RD over Automatic Creek 036 built?
It was built in 1951, making it 74 years old in 2025.
What condition is Custer Frtg RD over Automatic 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 2024.
How much traffic does Custer Frtg RD over Automatic Creek 036 carry?
About 119 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is Custer Frtg RD over Automatic Creek 036?
The structure is 109 ft (33.2 m) long with a longest span of 54 ft (16.5 m) and a deck 32 ft wide.
Who owns Custer Frtg RD over Automatic Creek 036?
It is owned by the State Highway Agency.