US Bridges

Nd Highway over I-94/ND 49 Interchange

Fair

Morton County, North Dakota · Junction of Nd 49 & I-94 · Structure no. 0094110367

Built
1961
64 years old, rebuilt 2000
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
230 ft
4 main spans
Daily traffic
1,000
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway over I-94/ND 49 Interchange is a prestressed concrete continuous stringer/multi-beam or girder carrying Nd Highway over I-94/ND 49 Interchange in Morton County, North Dakota. It was built in 1961 and reconstructed in 2000, so it is 64 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 1,000 vehicles a day, roughly 9% of them trucks, projected to reach 2,805 by 2039. The structure is 230 ft (70.1 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesNd Highway
CrossesI-94/ND 49 Interchange
LocationJunction of Nd 49 & I-94
RouteState Highway 49
CountyMorton County
StateNorth Dakota
Coordinates46.86303, -101.78128
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.2 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span65 ft (19.8 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2019)
Projected traffic2,805 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 Nd Highway over I-94/ND 49 Interchange built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2000.

What condition is Nd Highway over I-94/ND 49 Interchange 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 May 2023.

How much traffic does Nd Highway over I-94/ND 49 Interchange carry?

About 1,000 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Nd Highway over I-94/ND 49 Interchange?

The structure is 230 ft (70.1 m) long with a longest span of 65 ft (19.8 m) and a deck 36 ft wide.

Who owns Nd Highway over I-94/ND 49 Interchange?

It is owned by the State Highway Agency.