RD 36 over Bn Railroad
FairLincoln County, Montana · Wolf Creek MP 24.3 · Structure no. 011406000001085
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 190 ft
- 1 main span
- Daily traffic
- 99
- Owner
- Federal
- U.S. Forest Service
About this bridge
RD 36 over Bn Railroad is a wood or timber stringer/multi-beam or girder carrying RD 36 over Bn Railroad in Lincoln County, Montana. It was built in 1968, so it is 57 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 99 vehicles a day, projected to reach 148 by 2045. The structure is 190 ft (57.9 m) long and 28 ft wide.
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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RD 36 over Bn Railroad built?
It was built in 1968, making it 57 years old in 2025.
What condition is RD 36 over Bn Railroad 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 2023.
How much traffic does RD 36 over Bn Railroad carry?
About 99 vehicles per day (latest count).
How long is RD 36 over Bn Railroad?
The structure is 190 ft (57.9 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.
Who owns RD 36 over Bn Railroad?
It is owned by the U.S. Forest Service and maintained by the Private (other than railroad).