US Bridges

County Highway over Pembina River

Fair

Pembina County, North Dakota · 1 North of Leroy · Structure no. 000000034109050

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
3 main spans
Daily traffic
170
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 1979, so it is 46 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 170 vehicles a day, roughly 16% of them trucks, projected to reach 200 by 2034. The structure is 182 ft (55.5 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesPembina River
Location1 North of Leroy
RouteCounty Highway 3411
CountyPembina County
StateNorth Dakota
Coordinates48.93288, -97.75229
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating43.7 US tons
Inventory rating26.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length182 ft (55.5 m)
Longest span68 ft (20.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2014)
Projected traffic200 by 2034
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 1979, making it 46 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 170 vehicles per day (2014 count), of which roughly 16% are trucks.

How long is County Highway over Pembina River?

The structure is 182 ft (55.5 m) long with a longest span of 68 ft (20.7 m) and a deck 28 ft wide.

Who owns County Highway over Pembina River?

It is owned by the County Highway Agency.