US Bridges

County Highway over County Drain 34

Fair

Cass County, North Dakota · 1 East 3 South Davenport · Structure no. 000000009132390

Built
1953
72 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
120
2019 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 1953, so it is 72 years old, older 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 120 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Highway
CrossesCounty Drain 34
Location1 East 3 South Davenport
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates46.67341, -97.05146
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31 US tons
Inventory rating18.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2019)
Projected traffic120 by 2039
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over County Drain 34 built?

It was built in 1953, making it 72 years old in 2025.

What condition is County Highway over County Drain 34 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 June 2023.

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

About 120 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is County Highway over County Drain 34?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns County Highway over County Drain 34?

It is owned by the County Highway Agency.