US Bridges

County Highway over Cass County Drain 23

Fair

Cass County, North Dakota · 6 East of Gardner · Structure no. 000000009141070

Built
1994
31 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
140
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Cass County Drain 23 is a concrete culvert carrying County Highway over Cass County Drain 23 in Cass County, North Dakota. It was built in 1994, so it is 31 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 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 140 vehicles a day, roughly 18% of them trucks, projected to reach 110 by 2039. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Highway
CrossesCass County Drain 23
Location6 East of Gardner
RouteCounty Highway 949
CountyCass County
StateNorth Dakota
Coordinates47.13604, -96.83579
Functional classRural Major Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.9 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2019)
Projected traffic110 by 2039
Trucks18%
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 Cass County Drain 23 built?

It was built in 1994, making it 31 years old in 2025.

What condition is County Highway over Cass County Drain 23 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 September 2023.

How much traffic does County Highway over Cass County Drain 23 carry?

About 140 vehicles per day (2019 count), of which roughly 18% are trucks.

How long is County Highway over Cass County Drain 23?

The structure is 34 ft (10.4 m) long with a longest span of 17 ft (5.2 m).

Who owns County Highway over Cass County Drain 23?

It is owned by the County Highway Agency.