US Bridges

County Highway over Red River of the North

Fair

Richland County, North Dakota · City of Abercrombie · Structure no. 000000039127130

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
320 ft
5 main spans
Daily traffic
700
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Red River of the North is a steel continuous stringer/multi-beam or girder carrying County Highway over Red River of the North in Richland County, North Dakota. It was built in 1981, so it is 44 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 700 vehicles a day, roughly 14% of them trucks, projected to reach 700 by 2038. The structure is 320 ft (97.5 m) long and 43 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesCounty Highway
CrossesRed River of the North
LocationCity of Abercrombie
RouteCounty Highway 3912
Coordinates46.44425, -96.71625
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating26.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length320 ft (97.5 m)
Longest span99 ft (30.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2018)
Projected traffic700 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Red River of the North built?

It was built in 1981, making it 44 years old in 2025.

What condition is County Highway over Red River of the North 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 County Highway over Red River of the North carry?

About 700 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is County Highway over Red River of the North?

The structure is 320 ft (97.5 m) long with a longest span of 99 ft (30.2 m) and a deck 43 ft wide.

Who owns County Highway over Red River of the North?

It is owned by the County Highway Agency.