US Bridges

County Highway over Forest River

Fair

Walsh County, North Dakota · 5 East 11 South Grafton · Structure no. 000000050148200

Built
1977
48 years old, rebuilt 2016
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
135 ft
2 main spans
Daily traffic
60
2016 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 1977 and reconstructed in 2016, 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 60 vehicles a day, projected to reach 60 by 2036. The structure is 135 ft (41.1 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesForest River
Location5 East 11 South Grafton
RouteCounty Highway 0
CountyWalsh County
StateNorth Dakota
Coordinates48.25199, -97.27567
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
Deck7 GoodSome minor problems.
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.7 US tons
Inventory rating34.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length135 ft (41.1 m)
Longest span46 ft (14 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2016)
Projected traffic60 by 2036
Trucks—
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 1977, making it 48 years old in 2025. It was reconstructed in 2016.

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 October 2024.

How much traffic does County Highway over Forest River carry?

About 60 vehicles per day (2016 count).

How long is County Highway over Forest River?

The structure is 135 ft (41.1 m) long with a longest span of 46 ft (14 m) and a deck 29 ft wide.

Who owns County Highway over Forest River?

It is owned by the County Highway Agency.