US Bridges

County Road over Forest River

PoorPosted for load

Grand Forks County, North Dakota · 3 East 3 North Inkster · Structure no. 000000018115010

Built
1959
66 years old
Condition
Poor
inspected September 2023
Type
Channel Beam
Concrete
Length
95 ft
4 main spans
Daily traffic
30
2019 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 Grand Forks County, North Dakota. It was built in 1959, so it is 66 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 30 vehicles a day, projected to reach 30 by 2039. The structure is 95 ft (29 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road
CrossesForest River
Location3 East 3 North Inkster
RouteCounty Highway 0
Coordinates48.18769, -97.57913
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10 US tons
Inventory rating9.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length95 ft (29 m)
Longest span23 ft (6.9 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2019)
Projected traffic30 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 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 1959, making it 66 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 September 2023.

How much traffic does County Road over Forest River carry?

About 30 vehicles per day (2019 count).

How long is County Road over Forest River?

The structure is 95 ft (29 m) long with a longest span of 23 ft (6.9 m) and a deck 25 ft wide.

Who owns County Road over Forest River?

It is owned by the County Highway Agency.