US Bridges

County Highway over North Branch Forest Rive

Fair

Walsh County, North Dakota · 4 East of Lankin · Structure no. 000000050122160

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
265
2014 count
Owner
County
County Highway Agency

About this bridge

County Highway over North Branch Forest Rive is a prestressed concrete box beam or girders - single or spread carrying County Highway over North Branch Forest Rive in Walsh County, North Dakota. It was built in 1984, so it is 41 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 265 vehicles a day, roughly 13% of them trucks, projected to reach 180 by 2034. The structure is 63 ft (19.2 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesCounty Highway
CrossesNorth Branch Forest Rive
Location4 East of Lankin
RouteCounty Highway 5018
CountyWalsh County
StateNorth Dakota
Coordinates48.31081, -97.84517
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.2 US tons
Inventory rating20.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span59 ft (18 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2014)
Projected traffic180 by 2034
Trucks13%
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 North Branch Forest Rive built?

It was built in 1984, making it 41 years old in 2025.

What condition is County Highway over North Branch Forest Rive 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 2024.

How much traffic does County Highway over North Branch Forest Rive carry?

About 265 vehicles per day (2014 count), of which roughly 13% are trucks.

How long is County Highway over North Branch Forest Rive?

The structure is 63 ft (19.2 m) long with a longest span of 59 ft (18 m) and a deck 32 ft wide.

Who owns County Highway over North Branch Forest Rive?

It is owned by the County Highway Agency.