20th ST SW over Otter Creek
GoodPosted for loadOliver County, North Dakota · 9 West 1 North Hannover · Structure no. 000000033107120
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 25
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
20th ST SW over Otter Creek is a prestressed concrete box beam or girders - single or spread carrying 20th ST SW over Otter Creek in Oliver County, North Dakota. It was built in 1980, so it is 45 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. Its operating status is: posted for load restriction.
It carries about 25 vehicles a day, projected to reach 24 by 2038. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 20th ST SW over Otter Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is 20th ST SW over Otter 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 July 2024.
How much traffic does 20th ST SW over Otter Creek carry?
About 25 vehicles per day (2018 count).
How long is 20th ST SW over Otter Creek?
The structure is 50 ft (15.2 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.
Who owns 20th ST SW over Otter Creek?
It is owned by the County Highway Agency.