US Bridges

County Highway over S Br Little Heart River

Good

Morton County, North Dakota · 2 South 3 West ST Anthony · Structure no. 000000030154270

Built
2017
8 years old
Condition
Good
inspected April 2021
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over S Br Little Heart River is a concrete culvert carrying County Highway over S Br Little Heart River in Morton County, North Dakota. It was built in 2017, so it is 8 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 20 by 2039. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCounty Highway
CrossesS Br Little Heart River
Location2 South 3 West ST Anthony
RouteCounty Highway 0
CountyMorton County
StateNorth Dakota
Coordinates46.59063, -100.96495
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic20 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$80,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over S Br Little Heart River built?

It was built in 2017, making it 8 years old in 2025.

What condition is County Highway over S Br Little Heart River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2021.

How much traffic does County Highway over S Br Little Heart River carry?

About 20 vehicles per day (2019 count).

How long is County Highway over S Br Little Heart River?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m).

Who owns County Highway over S Br Little Heart River?

It is owned by the County Highway Agency.