US Bridges

County Highway over County Drain 34

Good

Cass County, North Dakota · 2 West of Davenport · Structure no. 000000009132360

Built
2016
9 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
100
2017 count
Owner
County
County Highway Agency

About this bridge

County Highway over County Drain 34 is a concrete culvert carrying County Highway over County Drain 34 in Cass County, North Dakota. It was built in 2016, so it is 9 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2037. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Highway
CrossesCounty Drain 34
Location2 West of Davenport
RouteCounty Highway 950
Coordinates46.71713, -97.05198
Functional classRural Major Collector

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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating51.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2017)
Projected traffic120 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$32,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over County Drain 34 built?

It was built in 2016, making it 9 years old in 2025.

What condition is County Highway over County Drain 34 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 June 2021.

How much traffic does County Highway over County Drain 34 carry?

About 100 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is County Highway over County Drain 34?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns County Highway over County Drain 34?

It is owned by the County Highway Agency.