US Bridges

Interstate 94 over Red River of the North

Fair

Cass County, North Dakota · Nd-Minn Border · Structure no. 0094352453 R

Built
1959
66 years old, rebuilt 1992
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,300 ft
4 main spans
Daily traffic
24,900
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 94 over Red River of the North is a steel continuous stringer/multi-beam or girder carrying Interstate 94 over Red River of the North in Cass County, North Dakota. It was built in 1959 and reconstructed in 1992, so it is 66 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 24,900 vehicles a day, roughly 8% of them trucks, projected to reach 24,900 by 2039. The structure is 1,300 ft (396.2 m) long and 58 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesInterstate 94
CrossesRed River of the North
LocationNd-Minn Border
RouteInterstate 94
Coordinates46.84772, -96.78079
Functional classUrban Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating71.1 US tons
Inventory rating42.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+13 approach)
Design loadHS 25 or greater
Structure length1,300 ft (396.2 m)
Longest span116 ft (35.4 m)
Deck width58 ft (17.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,900 (2019)
Projected traffic24,900 by 2039
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 94 over Red River of the North built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1992.

What condition is Interstate 94 over Red River of the North 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 September 2023.

How much traffic does Interstate 94 over Red River of the North carry?

About 24,900 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Interstate 94 over Red River of the North?

The structure is 1,300 ft (396.2 m) long with a longest span of 116 ft (35.4 m) and a deck 58 ft wide.

Who owns Interstate 94 over Red River of the North?

It is owned by the State Highway Agency.