US Bridges

County Highway over Middle Br. Forest River

Fair

Walsh County, North Dakota · 2 East 12 South Fairdale · Structure no. 000000050107160

Built
1977
48 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
39
2022 count
Owner
County
County Highway Agency

About this bridge

County Highway over Middle Br. Forest River is a prestressed concrete box beam or girders - multiple carrying County Highway over Middle Br. Forest River in Walsh County, North Dakota. It was built in 1977, 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 39 vehicles a day, roughly 12% of them trucks, projected to reach 53 by 2042. The structure is 47 ft (14.3 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesMiddle Br. Forest River
Location2 East 12 South Fairdale
RouteCounty Highway 5018
CountyWalsh County
StateNorth Dakota
Coordinates48.31087, -98.16988
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating60.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2022)
Projected traffic53 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$54,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Middle Br. Forest River built?

It was built in 1977, making it 48 years old in 2025.

What condition is County Highway over Middle Br. 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 September 2024.

How much traffic does County Highway over Middle Br. Forest River carry?

About 39 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is County Highway over Middle Br. Forest River?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 31 ft wide.

Who owns County Highway over Middle Br. Forest River?

It is owned by the County Highway Agency.