Irrfb Nd Hiway 22 over Little Missouri River
FairDunn County, North Dakota · 15 South of Nd 73 · Structure no. 0022126141
- Built
- 1994
- 31 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 730 ft
- 7 main spans
- Daily traffic
- 510
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Irrfb Nd Hiway 22 over Little Missouri River is a prestressed concrete continuous stringer/multi-beam or girder carrying Irrfb Nd Hiway 22 over Little Missouri River in Dunn County, North Dakota. It was built in 1994, so it is 31 years old, younger than the North Dakota average of 48.2 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 510 vehicles a day, roughly 10% of them trucks, projected to reach 517 by 2039. The structure is 730 ft (222.5 m) long and 38 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 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 Irrfb Nd Hiway 22 over Little Missouri River built?
It was built in 1994, making it 31 years old in 2025.
What condition is Irrfb Nd Hiway 22 over Little Missouri River 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 September 2024.
How much traffic does Irrfb Nd Hiway 22 over Little Missouri River carry?
About 510 vehicles per day (2019 count), of which roughly 10% are trucks.
How long is Irrfb Nd Hiway 22 over Little Missouri River?
The structure is 730 ft (222.5 m) long with a longest span of 107 ft (32.6 m) and a deck 38 ft wide.
Who owns Irrfb Nd Hiway 22 over Little Missouri River?
It is owned by the State Highway Agency.