US Bridges

335 Avenue over Ck

Fair

Gregory County, South Dakota · 2W & 0.1S JCT 44&47 · Structure no. 000000027030081

Built
2023
2 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

335 Avenue over Ck is a concrete continuous culvert carrying 335 Avenue over Ck in Gregory County, South Dakota. It was built in 2023, so it is 2 years old, younger than the South Dakota average of 48.9 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 15 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2032. The structure is 28 ft (8.6 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries335 Avenue
CrossesCk
Location2W & 0.1S JCT 44&47
RouteCounty Highway 0
Coordinates43.38317, -99.47497
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating73.6 US tons
Inventory rating56.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length28 ft (8.6 m)
Longest span14 ft (4.2 m)
Deck width26 ft (7.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic25 by 2032
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 335 Avenue over Ck built?

It was built in 2023, making it 2 years old in 2025.

What condition is 335 Avenue over Ck 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 August 2024.

How much traffic does 335 Avenue over Ck carry?

About 15 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 335 Avenue over Ck?

The structure is 28 ft (8.6 m) long with a longest span of 14 ft (4.2 m) and a deck 26 ft wide.

Who owns 335 Avenue over Ck?

It is owned by the County Highway Agency.