US Bridges

County Highway over Pembina River

Fair

Pembina County, North Dakota · South East Edge Walhalla · Structure no. 000000034102070

Built
1977
48 years old, rebuilt 2004
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
156 ft
1 main span
Daily traffic
410
2014 count
Owner
County
County Highway Agency

About this bridge

County Highway over Pembina River is a steel stringer/multi-beam or girder carrying County Highway over Pembina River in Pembina County, North Dakota. It was built in 1977 and reconstructed in 2004, 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 410 vehicles a day, roughly 7% of them trucks, projected to reach 410 by 2034. The structure is 156 ft (47.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Highway
CrossesPembina River
LocationSouth East Edge Walhalla
RouteCounty Highway 0
CountyPembina County
StateNorth Dakota
Coordinates48.91703, -97.90649
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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.3 US tons
Inventory rating59.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1 (+2 approach)
Design loadH 20
Structure length156 ft (47.5 m)
Longest span81 ft (24.7 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2014)
Projected traffic410 by 2034
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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. It was reconstructed in 2004.

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 410 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is County Highway over Pembina River?

The structure is 156 ft (47.5 m) long with a longest span of 81 ft (24.7 m) and a deck 28 ft wide.

Who owns County Highway over Pembina River?

It is owned by the County Highway Agency.