86th ST SW over Buffalo Creek
GoodBowman County, North Dakota · East of Buffalo Springs · Structure no. 000000006140080
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected October 2023
- Type
- Channel Beam
- Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 75
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
86th ST SW over Buffalo Creek is a concrete channel beam carrying 86th ST SW over Buffalo Creek in Bowman County, North Dakota. It was built in 1975, so it is 50 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 75 vehicles a day, roughly 12% of them trucks, projected to reach 75 by 2039. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 86th ST SW over Buffalo Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is 86th ST SW over Buffalo 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 October 2023.
How much traffic does 86th ST SW over Buffalo Creek carry?
About 75 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is 86th ST SW over Buffalo Creek?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.
Who owns 86th ST SW over Buffalo Creek?
It is owned by the County Highway Agency.