US Bridges

County Road over North Marais River

Fair

Walsh County, North Dakota · 10 East 10 South Grafton · Structure no. 000000050153191

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
127 ft
2 main spans
Daily traffic
19
2022 count
Owner
County
County Highway Agency

About this bridge

County Road over North Marais River is a prestressed concrete box beam or girders - multiple carrying County Road over North Marais River in Walsh County, North Dakota. It was built in 1980, so it is 45 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 19 vehicles a day, projected to reach 26 by 2042. The structure is 127 ft (38.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road
CrossesNorth Marais River
Location10 East 10 South Grafton
RouteCounty Highway 0
Coordinates48.26899, -97.16794
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length127 ft (38.6 m)
Longest span60 ft (18.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (2022)
Projected traffic26 by 2042
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 North Marais River built?

It was built in 1980, making it 45 years old in 2025.

What condition is County Road over North Marais 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 October 2024.

How much traffic does County Road over North Marais River carry?

About 19 vehicles per day (2022 count).

How long is County Road over North Marais River?

The structure is 127 ft (38.6 m) long with a longest span of 60 ft (18.4 m) and a deck 24 ft wide.

Who owns County Road over North Marais River?

It is owned by the County Highway Agency.