Road 261 over Irrigation Canal 042
PoorDawson County, Montana · 15M SW Glendive · Structure no. L11109016+01001
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 39 ft
- 2 main spans
- Daily traffic
- 21
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Road 261 over Irrigation Canal 042 is a wood or timber stringer/multi-beam or girder carrying Road 261 over Irrigation Canal 042 in Dawson County, Montana. It was built in 1920, so it is 105 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. Its operating status is: open, posting recommended but not legally implemented.
It carries about 21 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2043. The structure is 39 ft (12 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Road 261 over Irrigation Canal 042 built?
It was built in 1920, making it 105 years old in 2025.
What condition is Road 261 over Irrigation Canal 042 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 Road 261 over Irrigation Canal 042 carry?
About 21 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Road 261 over Irrigation Canal 042?
The structure is 39 ft (12 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.
Who owns Road 261 over Irrigation Canal 042?
It is owned by the County Highway Agency.