Nd Highway 66 over South Branch Park River
FairCavalier County, North Dakota · 6 East of Nd 1 · Structure no. 0066084705
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected May 2023
- Type
- Culvert
- Concrete
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 260
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 66 over South Branch Park River is a concrete culvert carrying Nd Highway 66 over South Branch Park River in Cavalier County, North Dakota. It was built in 1973, so it is 52 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 260 vehicles a day, roughly 27% of them trucks, projected to reach 260 by 2039. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 18 mi (29 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 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 Nd Highway 66 over South Branch Park River built?
It was built in 1973, making it 52 years old in 2025.
What condition is Nd Highway 66 over South Branch 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 2023.
How much traffic does Nd Highway 66 over South Branch Park River carry?
About 260 vehicles per day (2019 count), of which roughly 27% are trucks.
How long is Nd Highway 66 over South Branch Park River?
The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).
Who owns Nd Highway 66 over South Branch Park River?
It is owned by the State Highway Agency.