79th Avenue SW over Branch Knife River
FairStark County, North Dakota · 9 East 4 North Richardton · Structure no. 000000045153040
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 50
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
79th Avenue SW over Branch Knife River is a prestressed concrete box beam or girders - multiple carrying 79th Avenue SW over Branch Knife River in Stark County, North Dakota. It was built in 1964, so it is 61 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 5 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 50 vehicles a day, projected to reach 50 by 2038. The structure is 40 ft (12.2 m) long and 32 ft wide.
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 79th Avenue SW over Branch Knife River built?
It was built in 1964, making it 61 years old in 2025.
What condition is 79th Avenue SW over Branch 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 79th Avenue SW over Branch Knife River carry?
About 50 vehicles per day (2018 count).
How long is 79th Avenue SW over Branch Knife River?
The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 32 ft wide.
Who owns 79th Avenue SW over Branch Knife River?
It is owned by the County Highway Agency.