Allison RD over Pablo Feeder Canal 046
PoorLake County, Montana · 3M NE ST Ignatius · Structure no. L24358003+02001
- Built
- 1960
- 65 years old, rebuilt 1999
- Condition
- Poor
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 28 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Allison RD over Pablo Feeder Canal 046 is a wood or timber stringer/multi-beam or girder carrying Allison RD over Pablo Feeder Canal 046 in Lake County, Montana. It was built in 1960 and reconstructed in 1999, so it is 65 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 28 ft (8.4 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Allison RD over Pablo Feeder Canal 046 built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1999.
What condition is Allison RD over Pablo Feeder Canal 046 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 2023.
How much traffic does Allison RD over Pablo Feeder Canal 046 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Allison RD over Pablo Feeder Canal 046?
The structure is 28 ft (8.4 m) long with a longest span of 25 ft (7.7 m) and a deck 20 ft wide.
Who owns Allison RD over Pablo Feeder Canal 046?
It is owned by the County Highway Agency.