87th St. SW over Little Missouri River
GoodBowman County, North Dakota · 10 South of Marmath · Structure no. 000000006109080
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected October 2023
- Type
- Culvert
- Concrete
- Length
- 43 ft
- 4 main spans
- Daily traffic
- 25
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
87th St. SW over Little Missouri River is a concrete culvert carrying 87th St. SW over Little Missouri River in Bowman County, North Dakota. It was built in 1997, so it is 28 years old, younger 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 25 vehicles a day, projected to reach 25 by 2039. The structure is 43 ft (13 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 87th St. SW over Little Missouri River built?
It was built in 1997, making it 28 years old in 2025.
What condition is 87th St. SW over Little Missouri River 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 87th St. SW over Little Missouri River carry?
About 25 vehicles per day (2019 count).
How long is 87th St. SW over Little Missouri River?
The structure is 43 ft (13 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.
Who owns 87th St. SW over Little Missouri River?
It is owned by the County Highway Agency.