US Bridges

Interstate 94 over Maple River

Good

Cass County, North Dakota · 6 East of Nd 18 · Structure no. 0094337331 L

Built
2023
2 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
242 ft
3 main spans
Daily traffic
8,920
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 94 over Maple River is a prestressed concrete continuous box beam or girders - single or spread carrying Interstate 94 over Maple River in Cass County, North Dakota. It was built in 2023, so it is 2 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 8,920 vehicles a day, roughly 16% of them trucks, projected to reach 12,160 by 2040. The structure is 242 ft (73.7 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesInterstate 94
CrossesMaple River
Location6 East of Nd 18
RouteInterstate 94
Coordinates46.87711, -97.08231
Functional classRural Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length242 ft (73.7 m)
Longest span79 ft (24.1 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,920 (2020)
Projected traffic12,160 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 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 2023, making it 2 years old in 2025.

What condition is Interstate 94 over Maple 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 Interstate 94 over Maple River carry?

About 8,920 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is Interstate 94 over Maple River?

The structure is 242 ft (73.7 m) long with a longest span of 79 ft (24.1 m) and a deck 51 ft wide.

Who owns Interstate 94 over Maple River?

It is owned by the State Highway Agency.