US Bridges

Irrft County Hiway over Sheyenne River

Good

Benson County, North Dakota · 1 West 9 So. Fort Totten · Structure no. 000000003137360

Built
2018
7 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
134 ft
2 main spans
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

Irrft County Hiway over Sheyenne River is a prestressed concrete box beam or girders - single or spread carrying Irrft County Hiway over Sheyenne River in Benson County, North Dakota. It was built in 2018, so it is 7 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 20 vehicles a day, projected to reach 20 by 2038. The structure is 134 ft (40.8 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesIrrft County Hiway
CrossesSheyenne River
Location1 West 9 So. Fort Totten
RouteCounty Highway 0
CountyBenson County
StateNorth Dakota
Coordinates47.85427, -99.04017
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length134 ft (40.8 m)
Longest span67 ft (20.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic20 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$62,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Irrft County Hiway over Sheyenne River built?

It was built in 2018, making it 7 years old in 2025.

What condition is Irrft County Hiway 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 October 2023.

How much traffic does Irrft County Hiway over Sheyenne River carry?

About 20 vehicles per day (2018 count).

How long is Irrft County Hiway over Sheyenne River?

The structure is 134 ft (40.8 m) long with a longest span of 67 ft (20.4 m) and a deck 30 ft wide.

Who owns Irrft County Hiway over Sheyenne River?

It is owned by the County Highway Agency.