US Bridges

County Road over Forest River

Poor

Walsh County, North Dakota · 10 East 5 South Grafton · Structure no. 000000050154140

Built
1979
46 years old
Condition
Poor
inspected October 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
5
2017 count
Owner
County
County Highway Agency

About this bridge

County Road over Forest River is a concrete channel beam carrying County Road over Forest River in Walsh County, North Dakota. It was built in 1979, so it is 46 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 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.

It carries about 5 vehicles a day, projected to reach 5 by 2037. The structure is 31 ft (9.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road
CrossesForest River
Location10 East 5 South Grafton
RouteCounty Highway 0
Coordinates48.33854, -97.15833
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating63.1 US tons
Inventory rating37.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2017)
Projected traffic5 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 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 Road over Forest River built?

It was built in 1979, making it 46 years old in 2025.

What condition is County Road 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 Road over Forest River carry?

About 5 vehicles per day (2017 count).

How long is County Road over Forest River?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns County Road over Forest River?

It is owned by the County Highway Agency.