US Bridges

County Highway over Forest River

Fair

Walsh County, North Dakota · 1 West of Forest River · Structure no. 000000050138230

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
85 ft
2 main spans
Daily traffic
170
2014 count
Owner
County
County Highway Agency

About this bridge

County Highway over Forest River is a prestressed concrete tee beam carrying County Highway over Forest River in Walsh County, North Dakota. It was built in 1975, so it is 50 years old, older 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 12% of them trucks, projected to reach 220 by 2034. The structure is 85 ft (25.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesForest River
Location1 West of Forest River
RouteCounty Highway 5022
CountyWalsh County
StateNorth Dakota
Coordinates48.20924, -97.4971
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 rating66 US tons
Inventory rating39.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length85 ft (25.9 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2014)
Projected traffic220 by 2034
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Forest River built?

It was built in 1975, making it 50 years old in 2025.

What condition is County Highway over Forest 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 July 2024.

How much traffic does County Highway over Forest River carry?

About 170 vehicles per day (2014 count), of which roughly 12% are trucks.

How long is County Highway over Forest River?

The structure is 85 ft (25.9 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns County Highway over Forest River?

It is owned by the County Highway Agency.