US Highway 85 over Blacktail Creek
GoodWilliams County, North Dakota · 4 North of US 2 · Structure no. 0085205131
- Built
- 1962
- 63 years old, rebuilt 2016
- Condition
- Good
- inspected April 2023
- Type
- Culvert
- Concrete
- Length
- 31 ft
- 3 main spans
- Daily traffic
- 1,170
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 85 over Blacktail Creek is a concrete culvert carrying US Highway 85 over Blacktail Creek in Williams County, North Dakota. It was built in 1962 and reconstructed in 2016, so it is 63 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,170 vehicles a day, roughly 17% of them trucks, projected to reach 1,170 by 2039. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 65.9 mi (106 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 85 over Blacktail Creek built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2016.
What condition is US Highway 85 over Blacktail Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does US Highway 85 over Blacktail Creek carry?
About 1,170 vehicles per day (2019 count), of which roughly 17% are trucks.
How long is US Highway 85 over Blacktail Creek?
The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).
Who owns US Highway 85 over Blacktail Creek?
It is owned by the State Highway Agency.