US Bridges

County Highway over Red River of the North

Good

Cass County, North Dakota · 3 East of Harwood · Structure no. 000000009142180

Built
1991
34 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
653 ft
2 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Red River of the North is a steel continuous stringer/multi-beam or girder carrying County Highway over Red River of the North in Cass County, North Dakota. It was built in 1991, so it is 34 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2039. The structure is 653 ft (199 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Highway
CrossesRed River of the North
Location3 East of Harwood
RouteCounty Highway 955
Coordinates46.97685, -96.82128
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+9 approach)
Design loadHS 20
Structure length653 ft (199 m)
Longest span86 ft (26.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic120 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Red River of the North built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Highway over Red River of the North 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 August 2023.

How much traffic does County Highway over Red River of the North carry?

About 100 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is County Highway over Red River of the North?

The structure is 653 ft (199 m) long with a longest span of 86 ft (26.2 m) and a deck 43 ft wide.

Who owns County Highway over Red River of the North?

It is owned by the County Highway Agency.