US Bridges

County Highway over Antelope Creek

Fair

Richland County, North Dakota · 5 West 5 South of Colfax · Structure no. 000000039114161

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
42 ft
5 main spans
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Antelope Creek is a steel culvert carrying County Highway over Antelope Creek in Richland County, North Dakota. It was built in 1983, so it is 42 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, projected to reach 20 by 2038. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesAntelope Creek
Location5 West 5 South of Colfax
RouteCounty Highway 0
CountyRichland County
StateNorth Dakota
Coordinates46.40134, -96.98833
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic20 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Antelope Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is County Highway over Antelope Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does County Highway over Antelope Creek carry?

About 20 vehicles per day (2018 count).

How long is County Highway over Antelope Creek?

The structure is 42 ft (12.8 m) long with a longest span of 6 ft (1.8 m).

Who owns County Highway over Antelope Creek?

It is owned by the County Highway Agency.