Cb Route RD over Br Main Canal 036
PoorPrairie County, Montana · 3M NE Fallon · Structure no. L40108001+04001
- Built
- 1938
- 87 years old
- Condition
- Poor
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 68 ft
- 3 main spans
- Daily traffic
- 80
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Cb Route RD over Br Main Canal 036 is a wood or timber stringer/multi-beam or girder carrying Cb Route RD over Br Main Canal 036 in Prairie County, Montana. It was built in 1938, so it is 87 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 80 vehicles a day, roughly 3% of them trucks, projected to reach 84 by 2043. The structure is 68 ft (20.6 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Cb Route RD over Br Main Canal 036 built?
It was built in 1938, making it 87 years old in 2025.
What condition is Cb Route RD over Br Main Canal 036 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.
How much traffic does Cb Route RD over Br Main Canal 036 carry?
About 80 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Cb Route RD over Br Main Canal 036?
The structure is 68 ft (20.6 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.
Who owns Cb Route RD over Br Main Canal 036?
It is owned by the County Highway Agency.