IRR BIA RTE 1012 over Dry Creek Canal
PoorLake County, Montana · 9 KM S.E. of St. Ignatius · Structure no. 00000000000P816
- Built
- 1975
- 50 years old, rebuilt 1996
- Condition
- Poor
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 22 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 1012 over Dry Creek Canal is a wood or timber stringer/multi-beam or girder carrying IRR BIA RTE 1012 over Dry Creek Canal in Lake County, Montana. It was built in 1975 and reconstructed in 1996, so it is 50 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2043. The structure is 22 ft (6.7 m) long and 19 ft wide. If it were closed, the detour would be 23.6 mi (38 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 IRR BIA RTE 1012 over Dry Creek Canal built?
It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1996.
What condition is IRR BIA RTE 1012 over Dry Creek Canal 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 June 2023.
How much traffic does IRR BIA RTE 1012 over Dry Creek Canal carry?
About 50 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 1012 over Dry Creek Canal?
The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6 m) and a deck 19 ft wide.
Who owns IRR BIA RTE 1012 over Dry Creek Canal?
It is owned by the Bureau of Indian Affairs.