67th Ave SW over Knife River
FairMercer County, North Dakota · 5 South of Zap · Structure no. 000000029114250
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected July 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 150 ft
- 3 main spans
- Daily traffic
- 110
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
67th Ave SW over Knife River is a prestressed concrete continuous box beam or girders - single or spread carrying 67th Ave SW over Knife River in Mercer County, North Dakota. It was built in 1971, 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 110 vehicles a day, roughly 10% of them trucks, projected to reach 110 by 2038. The structure is 150 ft (45.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 67th Ave SW over Knife River built?
It was built in 1971, making it 54 years old in 2025.
What condition is 67th Ave SW over Knife 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 July 2024.
How much traffic does 67th Ave SW over Knife River carry?
About 110 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is 67th Ave SW over Knife River?
The structure is 150 ft (45.7 m) long with a longest span of 48 ft (14.6 m) and a deck 33 ft wide.
Who owns 67th Ave SW over Knife River?
It is owned by the County Highway Agency.