US Bridges

County Highway over Pembina River

Fair

Pembina County, North Dakota · 4 East of Walhalla · Structure no. 000000034106060

Built
1977
48 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
147 ft
3 main spans
Daily traffic
30
2014 count
Owner
County
County Highway Agency

About this bridge

County Highway over Pembina River is a prestressed concrete box beam or girders - multiple carrying County Highway over Pembina River in Pembina County, North Dakota. It was built in 1977, so it is 48 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 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 30 vehicles a day, projected to reach 30 by 2034. The structure is 147 ft (44.8 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Highway
CrossesPembina River
Location4 East of Walhalla
RouteCounty Highway 0
CountyPembina County
StateNorth Dakota
Coordinates48.9295, -97.81829
Functional classRural Local

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length147 ft (44.8 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2014)
Projected traffic30 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Highway over Pembina River built?

It was built in 1977, making it 48 years old in 2025.

What condition is County Highway over 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 April 2024.

How much traffic does County Highway over Pembina River carry?

About 30 vehicles per day (2014 count).

How long is County Highway over Pembina River?

The structure is 147 ft (44.8 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns County Highway over Pembina River?

It is owned by the County Highway Agency.