IRR - US 2 over Dodson South Canal
FairPhillips County, Montana · 2M W Dodson · Structure no. P00001451+03281
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 103 ft
- 2 main spans
- Daily traffic
- 1,253
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IRR - US 2 over Dodson South Canal is a prestressed concrete stringer/multi-beam or girder carrying IRR - US 2 over Dodson South Canal in Phillips County, Montana. It was built in 1972, so it is 53 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 1,253 vehicles a day, roughly 14% of them trucks, projected to reach 1,316 by 2043. The structure is 103 ft (31.4 m) long and 46 ft wide. If it were closed, the detour would be 100 mi (161 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 IRR - US 2 over Dodson South Canal built?
It was built in 1972, making it 53 years old in 2025.
What condition is IRR - US 2 over Dodson South Canal 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 March 2024.
How much traffic does IRR - US 2 over Dodson South Canal carry?
About 1,253 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is IRR - US 2 over Dodson South Canal?
The structure is 103 ft (31.4 m) long with a longest span of 50 ft (15.2 m) and a deck 46 ft wide.
Who owns IRR - US 2 over Dodson South Canal?
It is owned by the State Highway Agency.