Bentonite RD over Vandalia South Canal 089
PoorPosted for loadValley County, Montana · 4M W Glasgow · Structure no. L53513028+04001
- Built
- 1938
- 87 years old
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 61 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Bentonite RD over Vandalia South Canal 089 is a steel continuous stringer/multi-beam or girder carrying Bentonite RD over Vandalia South Canal 089 in Valley 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. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 61 ft (18.6 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Bentonite RD over Vandalia South Canal 089 built?
It was built in 1938, making it 87 years old in 2025.
What condition is Bentonite RD over Vandalia South Canal 089 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 April 2024.
How much traffic does Bentonite RD over Vandalia South Canal 089 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Bentonite RD over Vandalia South Canal 089?
The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.
Who owns Bentonite RD over Vandalia South Canal 089?
It is owned by the County Highway Agency.