US Bridges

Irrft County Hiway over Sheyenne River

Fair

Eddy County, North Dakota · 8 East Sheyenne · Structure no. 000000014117010

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
98 ft
2 main spans
Daily traffic
210
2019 count
Owner
County
County Highway Agency

About this bridge

Irrft County Hiway over Sheyenne River is a prestressed concrete box beam or girders - multiple carrying Irrft County Hiway over Sheyenne River in Eddy County, North Dakota. It was built in 1975, so it is 50 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 210 vehicles a day, roughly 15% of them trucks, projected to reach 300 by 2039. The structure is 98 ft (30 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIrrft County Hiway
CrossesSheyenne River
Location8 East Sheyenne
RouteCounty Highway 1404
CountyEddy County
StateNorth Dakota
Coordinates47.8336, -98.93486
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating34.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length98 ft (30 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2019)
Projected traffic300 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Irrft County Hiway over Sheyenne River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Irrft County Hiway 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 October 2023.

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

About 210 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is Irrft County Hiway over Sheyenne River?

The structure is 98 ft (30 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns Irrft County Hiway over Sheyenne River?

It is owned by the County Highway Agency.