US Bridges

County Highway over Drain

Good

Cass County, North Dakota · 3 East 2.5 S of Amenia · Structure no. 000000009126190

Built
2015
10 years old
Condition
Good
inspected May 2023
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Drain is a steel culvert carrying County Highway over Drain in Cass County, North Dakota. It was built in 2015, so it is 10 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 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesDrain
Location3 East 2.5 S of Amenia
RouteCounty Highway 0
Coordinates46.97216, -97.15761
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.4 US tons
Inventory rating46.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 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 closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Drain built?

It was built in 2015, making it 10 years old in 2025.

What condition is County Highway over Drain 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 May 2023.

How much traffic does County Highway over Drain carry?

About 20 vehicles per day (2019 count).

How long is County Highway over Drain?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns County Highway over Drain?

It is owned by the County Highway Agency.