US Bridges

County Highway over Forest River

PoorPosted for load

Walsh County, North Dakota · 11 South of Grafton · Structure no. 000000050142200

Built
1953
72 years old, rebuilt 1965
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
79 ft
4 main spans
Daily traffic
5
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Forest River is a wood or timber stringer/multi-beam or girder carrying County Highway over Forest River in Walsh County, North Dakota. It was built in 1953 and reconstructed in 1965, so it is 72 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 5 by 2039. The structure is 79 ft (24.1 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesForest River
Location11 South of Grafton
RouteCounty Highway 0
Coordinates48.25926, -97.41249
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.2 US tons
Inventory rating9.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span22 ft (6.7 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2019)
Projected traffic5 by 2039
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$272,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Forest River built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1965.

What condition is County Highway over Forest River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does County Highway over Forest River carry?

About 5 vehicles per day (2019 count).

How long is County Highway over Forest River?

The structure is 79 ft (24.1 m) long with a longest span of 22 ft (6.7 m) and a deck 18 ft wide.

Who owns County Highway over Forest River?

It is owned by the County Highway Agency.