US Bridges

County Road over Des Lacs River

PoorPosted for load

Renville County, North Dakota · 2 North 4 West of Carpio · Structure no. 000000038110360

Built
1960
65 years old
Condition
Poor
inspected June 2023
Type
Channel Beam
Concrete
Length
25 ft
1 main span
Daily traffic
25
2018 count
Owner
County
County Highway Agency

About this bridge

County Road over Des Lacs River is a concrete channel beam carrying County Road over Des Lacs River in Renville County, North Dakota. It was built in 1960, so it is 65 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 25 vehicles a day, projected to reach 25 by 2038. The structure is 25 ft (7.6 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road
CrossesDes Lacs River
Location2 North 4 West of Carpio
RouteCounty Highway 0
Coordinates48.47921, -101.79959
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 inspectionJune 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 alignment6: Equal to present minimum criteria
Operating rating8.8 US tons
Inventory rating4.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2018)
Projected traffic25 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Des Lacs River built?

It was built in 1960, making it 65 years old in 2025.

What condition is County Road over Des Lacs 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 June 2023.

How much traffic does County Road over Des Lacs River carry?

About 25 vehicles per day (2018 count).

How long is County Road over Des Lacs River?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns County Road over Des Lacs River?

It is owned by the County Highway Agency.