US Bridges

County Highway over County Drain 14

Good

Cass County, North Dakota · 5 East 2 North Mapleton · Structure no. 000000009136232

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

County Highway over County Drain 14 is a concrete culvert carrying County Highway over County Drain 14 in Cass County, North Dakota. It was built in 2021, so it is 4 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 7 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 2040. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesCounty Drain 14
Location5 East 2 North Mapleton
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates46.91742, -96.94649
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating93.1 US tons
Inventory rating72 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length32 ft (9.7 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic20 by 2040
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over County Drain 14 built?

It was built in 2021, making it 4 years old in 2025.

What condition is County Highway over County Drain 14 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 November 2023.

How much traffic does County Highway over County Drain 14 carry?

About 20 vehicles per day (2020 count).

How long is County Highway over County Drain 14?

The structure is 32 ft (9.7 m) long with a longest span of 15 ft (4.5 m).

Who owns County Highway over County Drain 14?

It is owned by the County Highway Agency.