US Highway 85 over South Fork Green River
FairBillings County, North Dakota · 12 North Jct. I-94 · Structure no. 0085088002
- Built
- 1940
- 85 years old, rebuilt 1971
- Condition
- Fair
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 31 ft
- 3 main spans
- Daily traffic
- 1,090
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 85 over South Fork Green River is a concrete culvert carrying US Highway 85 over South Fork Green River in Billings County, North Dakota. It was built in 1940 and reconstructed in 1971, so it is 85 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 1,090 vehicles a day, roughly 23% of them trucks, projected to reach 2,043 by 2039. The structure is 31 ft (9.4 m) long. 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 85 over South Fork Green River built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1971.
What condition is US Highway 85 over South Fork Green 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 June 2024.
How much traffic does US Highway 85 over South Fork Green River carry?
About 1,090 vehicles per day (2019 count), of which roughly 23% are trucks.
How long is US Highway 85 over South Fork Green River?
The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).
Who owns US Highway 85 over South Fork Green River?
It is owned by the State Highway Agency.