US Bridges

Interstate 94 over Maple River

Fair

Cass County, North Dakota · 2 West of Nd 38 · Structure no. 0094313190

Built
1954
71 years old, rebuilt 1959
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
8,400
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 94 over Maple River is a concrete culvert carrying Interstate 94 over Maple River in Cass County, North Dakota. It was built in 1954 and reconstructed in 1959, so it is 71 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 6 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 8,400 vehicles a day, roughly 20% of them trucks, projected to reach 8,400 by 2038. The structure is 42 ft (12.8 m) long.

CarriesInterstate 94
CrossesMaple River
Location2 West of Nd 38
RouteInterstate 94
Coordinates46.87587, -97.59119
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.3 US tons
Inventory rating29.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,400 (2018)
Projected traffic8,400 by 2038
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 94 over Maple River built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1959.

What condition is Interstate 94 over Maple 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 September 2023.

How much traffic does Interstate 94 over Maple River carry?

About 8,400 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is Interstate 94 over Maple River?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m).

Who owns Interstate 94 over Maple River?

It is owned by the State Highway Agency.