US Bridges

County Highway over Sheyenne River

Fair

Griggs County, North Dakota · 6 E 4 N of Cooperstown · Structure no. 000000020124120

Built
1978
47 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
92 ft
2 main spans
Daily traffic
70
2017 count
Owner
County
County Highway Agency

About this bridge

County Highway over Sheyenne River is a prestressed concrete tee beam carrying County Highway over Sheyenne River in Griggs County, North Dakota. It was built in 1978, so it is 47 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 5 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 70 vehicles a day, projected to reach 70 by 2037. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesSheyenne River
Location6 E 4 N of Cooperstown
RouteCounty Highway 0
CountyGriggs County
StateNorth Dakota
Coordinates47.49956, -97.99361
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.7 US tons
Inventory rating28.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length92 ft (28 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2017)
Projected traffic70 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1978, making it 47 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 November 2024.

How much traffic does County Highway over Sheyenne River carry?

About 70 vehicles per day (2017 count).

How long is County Highway over Sheyenne River?

The structure is 92 ft (28 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns County Highway over Sheyenne River?

It is owned by the County Highway Agency.