US Bridges

County Highway over Sheyenne River

Fair

Cass County, North Dakota · 1 North 1 West Riverside · Structure no. 000000009138231

Built
1980
45 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
151 ft
3 main spans
Daily traffic
75
2019 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 Cass County, North Dakota. It was built in 1980, so it is 45 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 75 vehicles a day, projected to reach 75 by 2039. The structure is 151 ft (46 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesSheyenne River
Location1 North 1 West Riverside
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates46.90551, -96.90901
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.6 US tons
Inventory rating33.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length151 ft (46 m)
Longest span49 ft (14.9 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2019)
Projected traffic75 by 2039
Trucks—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$159,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Sheyenne River built?

It was built in 1980, making it 45 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 June 2023.

How much traffic does County Highway over Sheyenne River carry?

About 75 vehicles per day (2019 count).

How long is County Highway over Sheyenne River?

The structure is 151 ft (46 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.

Who owns County Highway over Sheyenne River?

It is owned by the County Highway Agency.