US Bridges

468 Avenue over Ck

Fair

Grant County, South Dakota · 3.3E & 4.1N Marvin · Structure no. 000000026190004

Built
2009
16 years old
Condition
Fair
inspected August 2024
Type
Culvert
Steel
Length
41 ft
3 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

468 Avenue over Ck is a steel culvert carrying 468 Avenue over Ck in Grant County, South Dakota. It was built in 2009, so it is 16 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 20 by 2032. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries468 Avenue
CrossesCk
Location3.3E & 4.1N Marvin
RouteCounty Highway 0
Coordinates45.31822, -96.84231
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 protection7 GoodSome minor problems.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 20
Structure length41 ft (12.5 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2032
Trucks2%
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 468 Avenue over Ck built?

It was built in 2009, making it 16 years old in 2025.

What condition is 468 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 468 Avenue over Ck carry?

About 20 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 468 Avenue over Ck?

The structure is 41 ft (12.5 m) long with a longest span of 12 ft (3.6 m).

Who owns 468 Avenue over Ck?

It is owned by the County Highway Agency.