Nd Highway 49 over Antelope Creek
GoodGrant County, North Dakota · 6 North of Nd 21 · Structure no. 0049042060
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 102 ft
- 2 main spans
- Daily traffic
- 580
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 49 over Antelope Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nd Highway 49 over Antelope Creek in Grant County, North Dakota. It was built in 1988, so it is 37 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 580 vehicles a day, roughly 12% of them trucks, projected to reach 554 by 2039. The structure is 102 ft (31.1 m) long and 38 ft wide. If it were closed, the detour would be 49.7 mi (80 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nd Highway 49 over Antelope Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is Nd Highway 49 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 May 2023.
How much traffic does Nd Highway 49 over Antelope Creek carry?
About 580 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is Nd Highway 49 over Antelope Creek?
The structure is 102 ft (31.1 m) long with a longest span of 48 ft (14.6 m) and a deck 38 ft wide.
Who owns Nd Highway 49 over Antelope Creek?
It is owned by the State Highway Agency.