US Bridges

County Highway over Sheyenne River

Good

Ransom County, North Dakota · Fort Ransom · Structure no. 000000037106080

Built
1976
49 years old, rebuilt 1996
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
115
2018 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 Ransom County, North Dakota. It was built in 1976 and reconstructed in 1996, so it is 49 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 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 115 vehicles a day, roughly 10% of them trucks, projected to reach 280 by 2038. The structure is 147 ft (44.8 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCounty Highway
CrossesSheyenne River
LocationFort Ransom
RouteCounty Highway 3715
Coordinates46.52007, -97.92813
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating39.4 US tons
Inventory rating20.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length147 ft (44.8 m)
Longest span46 ft (14 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2018)
Projected traffic280 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 1976, making it 49 years old in 2025. It was reconstructed in 1996.

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 August 2024.

How much traffic does County Highway over Sheyenne River carry?

About 115 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is County Highway over Sheyenne River?

The structure is 147 ft (44.8 m) long with a longest span of 46 ft (14 m) and a deck 32 ft wide.

Who owns County Highway over Sheyenne River?

It is owned by the County Highway Agency.