County Highway 9 over Antelope Creek
GoodMercer County, North Dakota · 3 West 1 North Hazen · Structure no. 000000029125170
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 60
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
County Highway 9 over Antelope Creek is a prestressed concrete box beam or girders - single or spread carrying County Highway 9 over Antelope Creek in Mercer County, North Dakota. It was built in 1991, so it is 34 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 60 vehicles a day, projected to reach 60 by 2038. The structure is 60 ft (18.3 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 County Highway 9 over Antelope Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is County Highway 9 over Antelope 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 County Highway 9 over Antelope Creek carry?
About 60 vehicles per day (2018 count).
How long is County Highway 9 over Antelope Creek?
The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.1 m) and a deck 31 ft wide.
Who owns County Highway 9 over Antelope Creek?
It is owned by the County Highway Agency.