US Bridges

County Highway over Sheyenne River

Fair

Cass County, North Dakota · 2 North of Harwood · Structure no. 000000009139170

Built
1996
29 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
314 ft
4 main spans
Daily traffic
240
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Sheyenne River is a prestressed concrete continuous box beam or girders - single or spread carrying County Highway over Sheyenne River in Cass County, North Dakota. It was built in 1996, so it is 29 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 240 vehicles a day, roughly 15% of them trucks, projected to reach 600 by 2039. The structure is 314 ft (95.7 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesSheyenne River
Location2 North of Harwood
RouteCounty Highway 945
CountyCass County
StateNorth Dakota
Coordinates47.00109, -96.89537
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.1 US tons
Inventory rating35.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length314 ft (95.7 m)
Longest span85 ft (25.9 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2019)
Projected traffic600 by 2039
Trucks15%
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 Sheyenne River built?

It was built in 1996, making it 29 years old in 2025.

What condition is County Highway over Sheyenne River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does County Highway over Sheyenne River carry?

About 240 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is County Highway over Sheyenne River?

The structure is 314 ft (95.7 m) long with a longest span of 85 ft (25.9 m) and a deck 36 ft wide.

Who owns County Highway over Sheyenne River?

It is owned by the County Highway Agency.