US Bridges

County Highway over North Marais River

Fair

Walsh County, North Dakota · 11 East 8 South Grafton · Structure no. 000000050154180

Built
2002
23 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
5
2017 count
Owner
County
County Highway Agency

About this bridge

County Highway over North Marais River is a prestressed concrete tee beam carrying County Highway over North Marais River in Walsh County, North Dakota. It was built in 2002, so it is 23 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 5 vehicles a day, projected to reach 5 by 2037. The structure is 51 ft (15.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesNorth Marais River
Location11 East 8 South Grafton
RouteCounty Highway 0
Coordinates48.28066, -97.15254
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73 US tons
Inventory rating41.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length51 ft (15.4 m)
Longest span48 ft (14.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 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 Highway over North Marais River built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Highway 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 Highway over North Marais River carry?

About 5 vehicles per day (2017 count).

How long is County Highway over North Marais River?

The structure is 51 ft (15.4 m) long with a longest span of 48 ft (14.6 m) and a deck 24 ft wide.

Who owns County Highway over North Marais River?

It is owned by the County Highway Agency.