US Bridges

County Highway over Wild Rice River

Good

Sargent County, North Dakota · 2 South of Cayuga · Structure no. 000000041130170

Built
1986
39 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
163
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Wild Rice River is a concrete culvert carrying County Highway over Wild Rice River in Sargent County, North Dakota. It was built in 1986, so it is 39 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 163 vehicles a day, roughly 13% of them trucks, projected to reach 200 by 2038. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Highway
CrossesWild Rice River
Location2 South of Cayuga
RouteCounty Highway 4129
Coordinates46.0422, -97.38441
Functional classRural Major Collector

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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating34.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 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 traffic163 (2018)
Projected traffic200 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Wild Rice River built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Highway over Wild Rice River 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 November 2023.

How much traffic does County Highway over Wild Rice River carry?

About 163 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is County Highway over Wild Rice River?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns County Highway over Wild Rice River?

It is owned by the County Highway Agency.