IRR BIA RTE 22 over Trib to Red Butte Bay
PoorMercer County, North Dakota · SE Lake Sakakawea · Structure no. 0000A04301B0500
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected August 2024
- Type
- Culvert
- Steel
- Length
- 53 ft
- 3 main spans
- Daily traffic
- 200
- 2020 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 22 over Trib to Red Butte Bay is a steel culvert carrying IRR BIA RTE 22 over Trib to Red Butte Bay in Mercer County, North Dakota. It was built in 1960, so it is 65 years old, older than the North Dakota average of 48.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 220 by 2040. The structure is 53 ft (16.2 m) long and 130 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 |
|---|---|---|
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 22 over Trib to Red Butte Bay built?
It was built in 1960, making it 65 years old in 2025.
What condition is IRR BIA RTE 22 over Trib to Red Butte Bay 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 August 2024.
How much traffic does IRR BIA RTE 22 over Trib to Red Butte Bay carry?
About 200 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is IRR BIA RTE 22 over Trib to Red Butte Bay?
The structure is 53 ft (16.2 m) long with a longest span of 15 ft (4.6 m) and a deck 130 ft wide.
Who owns IRR BIA RTE 22 over Trib to Red Butte Bay?
It is owned by the Bureau of Indian Affairs.