US Bridges

163rd Avenue SW over Horse Creek

Good

Bowman County, North Dakota · 2 West 2 South Marmarth · Structure no. 000000006104010

Built
2012
13 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
52 ft
4 main spans
Daily traffic
10
2017 count
Owner
County
County Highway Agency

About this bridge

163rd Avenue SW over Horse Creek is a concrete culvert carrying 163rd Avenue SW over Horse Creek in Bowman County, North Dakota. It was built in 2012, so it is 13 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 10 vehicles a day, roughly 5% of them trucks, projected to reach 15 by 2037. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Carries163rd Avenue SW
CrossesHorse Creek
Location2 West 2 South Marmarth
RouteCounty Highway 0
Coordinates46.27351, -103.97665
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.2 US tons
Inventory rating56.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 25 or greater
Structure length52 ft (15.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2017)
Projected traffic15 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 163rd Avenue SW over Horse Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is 163rd Avenue SW over Horse 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 October 2021.

How much traffic does 163rd Avenue SW over Horse Creek carry?

About 10 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is 163rd Avenue SW over Horse Creek?

The structure is 52 ft (15.8 m) long with a longest span of 12 ft (3.7 m).

Who owns 163rd Avenue SW over Horse Creek?

It is owned by the County Highway Agency.