US Bridges

County Highway over Sheyenne River

Fair

Griggs County, North Dakota · 3 E 5 S of Cooperstown · Structure no. 000000020122210

Built
1970
55 years old, rebuilt 1998
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
102 ft
3 main spans
Daily traffic
23
2022 count
Owner
County
County Highway Agency

About this bridge

County Highway over Sheyenne River is a prestressed concrete box beam or girders - multiple carrying County Highway over Sheyenne River in Griggs County, North Dakota. It was built in 1970 and reconstructed in 1998, so it is 55 years old, older 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 23 vehicles a day, projected to reach 31 by 2042. The structure is 102 ft (31.1 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesSheyenne River
Location3 E 5 S of Cooperstown
RouteCounty Highway 0
CountyGriggs County
StateNorth Dakota
Coordinates47.36977, -98.04319
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating61.2 US tons
Inventory rating36.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length102 ft (31.1 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23 (2022)
Projected traffic31 by 2042
Trucks—
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$248,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Sheyenne River built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1998.

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 23 vehicles per day (2022 count).

How long is County Highway over Sheyenne River?

The structure is 102 ft (31.1 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns County Highway over Sheyenne River?

It is owned by the County Highway Agency.