US Highway 81 over Park River
FairWalsh County, North Dakota · 1 North of Nd 17 · Structure no. 0081191790
- Built
- 1971
- 54 years old, rebuilt 1999
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 170 ft
- 3 main spans
- Daily traffic
- 3,270
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 81 over Park River is a prestressed concrete continuous box beam or girders - single or spread carrying US Highway 81 over Park River in Walsh County, North Dakota. It was built in 1971 and reconstructed in 1999, so it is 54 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 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 3,270 vehicles a day, roughly 7% of them trucks, projected to reach 3,270 by 2039. The structure is 170 ft (51.8 m) long and 52 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 81 over Park River built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1999.
What condition is US Highway 81 over Park 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 May 2024.
How much traffic does US Highway 81 over Park River carry?
About 3,270 vehicles per day (2019 count), of which roughly 7% are trucks.
How long is US Highway 81 over Park River?
The structure is 170 ft (51.8 m) long with a longest span of 55 ft (16.8 m) and a deck 52 ft wide.
Who owns US Highway 81 over Park River?
It is owned by the State Highway Agency.