US Bridges

County Highway over South Fork Maple River

Fair

Dickey County, North Dakota · 2 West 1 South Monango · Structure no. 000000011118090

Built
2007
18 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
55
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over South Fork Maple River is a concrete culvert carrying County Highway over South Fork Maple River in Dickey County, North Dakota. It was built in 2007, so it is 18 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 55 vehicles a day, projected to reach 55 by 2039. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 19.3 mi (31 km).

CarriesCounty Highway
CrossesSouth Fork Maple River
Location2 West 1 South Monango
RouteCounty Highway 0
Coordinates46.15872, -98.6298
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating32.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length35 ft (10.7 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2019)
Projected traffic55 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 South Fork Maple River built?

It was built in 2007, making it 18 years old in 2025.

What condition is County Highway over South Fork Maple 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 April 2023.

How much traffic does County Highway over South Fork Maple River carry?

About 55 vehicles per day (2019 count).

How long is County Highway over South Fork Maple River?

The structure is 35 ft (10.7 m) long with a longest span of 15 ft (4.6 m).

Who owns County Highway over South Fork Maple River?

It is owned by the County Highway Agency.