US Bridges

Nd Highway 1 over I-94/OAKES Interchange

Fair

Barnes County, North Dakota · JCT Nd 1 South · Structure no. 0094288636

Built
1958
67 years old, rebuilt 1979
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
220 ft
4 main spans
Daily traffic
900
2020 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 1 over I-94/OAKES Interchange is a concrete continuous tee beam carrying Nd Highway 1 over I-94/OAKES Interchange in Barnes County, North Dakota. It was built in 1958 and reconstructed in 1979, 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 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 900 vehicles a day, roughly 17% of them trucks, projected to reach 900 by 2040. The structure is 220 ft (67.1 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesNd Highway 1
CrossesI-94/OAKES Interchange
LocationJCT Nd 1 South
RouteState Highway 1
CountyBarnes County
StateNorth Dakota
Coordinates46.91296, -98.08172
Functional classRural Principal Arterial - Other

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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span62 ft (18.9 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2020)
Projected traffic900 by 2040
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 1 over I-94/OAKES Interchange built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1979.

What condition is Nd Highway 1 over I-94/OAKES 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 September 2023.

How much traffic does Nd Highway 1 over I-94/OAKES Interchange carry?

About 900 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Nd Highway 1 over I-94/OAKES Interchange?

The structure is 220 ft (67.1 m) long with a longest span of 62 ft (18.9 m) and a deck 31 ft wide.

Who owns Nd Highway 1 over I-94/OAKES Interchange?

It is owned by the State Highway Agency.