64th ST SW over Antelope Creek
PoorGrant County, North Dakota · 3 North 2 West of Carson · Structure no. 000000019123170
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 10
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
64th ST SW over Antelope Creek is a prestressed concrete box beam or girders - multiple carrying 64th ST SW over Antelope Creek in Grant County, North Dakota. It was built in 1967, so it is 58 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 10 vehicles a day, projected to reach 10 by 2038. The structure is 40 ft (12.2 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 64th ST SW over Antelope Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is 64th ST SW over Antelope Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does 64th ST SW over Antelope Creek carry?
About 10 vehicles per day (2018 count).
How long is 64th ST SW over Antelope Creek?
The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 21 ft wide.
Who owns 64th ST SW over Antelope Creek?
It is owned by the County Highway Agency.