Nd Highway 18 over South Branch Turtle Rive
FairGrand Forks County, North Dakota · 2 North of Larimore · Structure no. 0018164994
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 75 ft
- 1 main span
- Daily traffic
- 1,330
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 18 over South Branch Turtle Rive is a prestressed concrete box beam or girders - single or spread carrying Nd Highway 18 over South Branch Turtle Rive in Grand Forks County, North Dakota. It was built in 1968, so it is 57 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 1,330 vehicles a day, roughly 10% of them trucks, projected to reach 1,330 by 2039. The structure is 75 ft (22.9 m) long and 45 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Nd Highway 18 over South Branch Turtle Rive built?
It was built in 1968, making it 57 years old in 2025.
What condition is Nd Highway 18 over South Branch Turtle Rive 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 October 2024.
How much traffic does Nd Highway 18 over South Branch Turtle Rive carry?
About 1,330 vehicles per day (2019 count), of which roughly 10% are trucks.
How long is Nd Highway 18 over South Branch Turtle Rive?
The structure is 75 ft (22.9 m) long with a longest span of 73 ft (22.3 m) and a deck 45 ft wide.
Who owns Nd Highway 18 over South Branch Turtle Rive?
It is owned by the State Highway Agency.