US Bridges

County Highway over Drain B

Good

Cass County, North Dakota · 1.5 E of Argusville · Structure no. 000000009139131

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
480
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Drain B is a steel culvert carrying County Highway over Drain B in Cass County, North Dakota. It was built in 2015, so it is 10 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 480 vehicles a day, roughly 14% of them trucks, projected to reach 260 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 B
Location1.5 E of Argusville
RouteCounty Highway 918
Coordinates47.04985, -96.89767
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2019)
Projected traffic260 by 2039
Trucks14%
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 B built?

It was built in 2015, making it 10 years old in 2025.

What condition is County Highway over Drain B 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 September 2023.

How much traffic does County Highway over Drain B carry?

About 480 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is County Highway over Drain B?

The structure is 24 ft (7.3 m) long with a longest span of 14 ft (4.3 m).

Who owns County Highway over Drain B?

It is owned by the County Highway Agency.