US Bridges

County Road over Forest River

FairPosted for load

Walsh County, North Dakota · 3 West 10 South of Adams · Structure no. 000000050109190

Built
1945
80 years old, rebuilt 1973
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
1 main span
Daily traffic
26
2017 count
Owner
County
County Highway Agency

About this bridge

County Road over Forest River is a wood or timber stringer/multi-beam or girder carrying County Road over Forest River in Walsh County, North Dakota. It was built in 1945 and reconstructed in 1973, so it is 80 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. Its operating status is: posted for load restriction.

It carries about 26 vehicles a day, projected to reach 26 by 2037. The structure is 41 ft (12.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road
CrossesForest River
Location3 West 10 South of Adams
RouteCounty Highway 0
Coordinates48.26717, -98.14103
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.7 US tons
Inventory rating11.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2017)
Projected traffic26 by 2037
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$42,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Forest River built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1973.

What condition is County Road 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 September 2024.

How much traffic does County Road over Forest River carry?

About 26 vehicles per day (2017 count).

How long is County Road over Forest River?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.

Who owns County Road over Forest River?

It is owned by the County Highway Agency.