US Bridges

County Highway over Drain

Good

Cass County, North Dakota · East of Wild Rice · Structure no. 000000009143343

Built
2000
25 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
175
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Drain is a concrete culvert carrying County Highway over Drain in Cass County, North Dakota. It was built in 2000, so it is 25 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 175 vehicles a day, roughly 10% of them trucks, projected to reach 175 by 2039. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesDrain
LocationEast of Wild Rice
RouteCounty Highway 946
Coordinates46.74551, -96.80429
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length24 ft (7.3 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 traffic175 (2019)
Projected traffic175 by 2039
Trucks10%
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 Drain built?

It was built in 2000, making it 25 years old in 2025.

What condition is County Highway over Drain 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 2023.

How much traffic does County Highway over Drain carry?

About 175 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is County Highway over Drain?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).

Who owns County Highway over Drain?

It is owned by the County Highway Agency.