US Bridges

Nd Highway 1 over Little So. Pembina River

Fair

Cavalier County, North Dakota · 12 North of Nd 5 · Structure no. 0001226090

Built
1980
45 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
120 ft
2 main spans
Daily traffic
310
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 1 over Little So. Pembina River is a prestressed concrete continuous box beam or girders - single or spread carrying Nd Highway 1 over Little So. Pembina River in Cavalier County, North Dakota. It was built in 1980, so it is 45 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 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 310 vehicles a day, roughly 13% of them trucks, projected to reach 310 by 2039. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesNd Highway 1
CrossesLittle So. Pembina River
Location12 North of Nd 5
RouteState Highway 1
CountyCavalier County
StateNorth Dakota
Coordinates48.9372, -98.36496
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86 US tons
Inventory rating49.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span60 ft (18.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2019)
Projected traffic310 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemYes

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 Nd Highway 1 over Little So. Pembina River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Nd Highway 1 over Little So. Pembina 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 May 2023.

How much traffic does Nd Highway 1 over Little So. Pembina River carry?

About 310 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is Nd Highway 1 over Little So. Pembina River?

The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.2 m) and a deck 43 ft wide.

Who owns Nd Highway 1 over Little So. Pembina River?

It is owned by the State Highway Agency.