US Bridges

Interstate 94 over Minor Road Separation

Fair

Stutsman County, North Dakota · 4 West of Nd 30 · Structure no. 0094224292 L

Built
1958
67 years old, rebuilt 1984
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
3,150
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 94 over Minor Road Separation is a concrete continuous tee beam carrying Interstate 94 over Minor Road Separation in Stutsman County, North Dakota. It was built in 1958 and reconstructed in 1984, so it is 67 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 3,150 vehicles a day, roughly 23% of them trucks, projected to reach 3,150 by 2040. The structure is 115 ft (35.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 94
CrossesMinor Road Separation
Location4 West of Nd 30
RouteInterstate 94
Coordinates46.87456, -99.42646
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating42.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span43 ft (13.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,150 (2020)
Projected traffic3,150 by 2040
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 94 over Minor Road Separation built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1984.

What condition is Interstate 94 over Minor Road Separation 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 November 2024.

How much traffic does Interstate 94 over Minor Road Separation carry?

About 3,150 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is Interstate 94 over Minor Road Separation?

The structure is 115 ft (35.1 m) long with a longest span of 43 ft (13.1 m) and a deck 43 ft wide.

Who owns Interstate 94 over Minor Road Separation?

It is owned by the State Highway Agency.