US Bridges

County Highway over Sheyenne River

Good

Griggs County, North Dakota · 3 E 4 S of Cooperstown · Structure no. 000000020121210

Built
1990
35 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
65
2017 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 Griggs County, North Dakota. It was built in 1990, so it is 35 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 65 vehicles a day, projected to reach 65 by 2037. The structure is 110 ft (33.5 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Highway
CrossesSheyenne River
Location3 E 4 S of Cooperstown
RouteCounty Highway 0
Coordinates47.3832, -98.04984
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.7 US tons
Inventory rating25.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span43 ft (13.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2017)
Projected traffic65 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 1990, making it 35 years old in 2025.

What condition is County Highway over Sheyenne 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 2024.

How much traffic does County Highway over Sheyenne River carry?

About 65 vehicles per day (2017 count).

How long is County Highway over Sheyenne River?

The structure is 110 ft (33.5 m) long with a longest span of 43 ft (13.1 m) and a deck 31 ft wide.

Who owns County Highway over Sheyenne River?

It is owned by the County Highway Agency.