US Bridges

60th Ave SW over Antelope Creek

Good

Grant County, North Dakota · 4 West 1 North of Carson · Structure no. 000000019120201

Built
2011
14 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
20
2017 count
Owner
County
County Highway Agency

About this bridge

60th Ave SW over Antelope Creek is a concrete culvert carrying 60th Ave SW over Antelope Creek in Grant County, North Dakota. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 20 by 2037. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries60th Ave SW
CrossesAntelope Creek
Location4 West 1 North of Carson
RouteCounty Highway 0
Coordinates46.44419, -101.67504
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92.2 US tons
Inventory rating71.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2017)
Projected traffic20 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$212,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 60th Ave SW over Antelope Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is 60th Ave SW 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 June 2024.

How much traffic does 60th Ave SW over Antelope Creek carry?

About 20 vehicles per day (2017 count).

How long is 60th Ave SW over Antelope Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns 60th Ave SW over Antelope Creek?

It is owned by the County Highway Agency.