US Bridges

461 Avenue over Gravel Ck

Good

Codington County, South Dakota · 3W 3.1S South Shore · Structure no. 000000015250061

Built
1998
27 years old
Condition
Good
inspected June 2022
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

461 Avenue over Gravel Ck is a concrete continuous culvert carrying 461 Avenue over Gravel Ck in Codington County, South Dakota. It was built in 1998, so it is 27 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 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries461 Avenue
CrossesGravel Ck
Location3W 3.1S South Shore
RouteCounty Highway 0
Coordinates45.06167, -96.98473
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.5 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 traffic10 (2022)
Projected traffic10 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 461 Avenue over Gravel Ck built?

It was built in 1998, making it 27 years old in 2025.

What condition is 461 Avenue over Gravel Ck 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 2022.

How much traffic does 461 Avenue over Gravel Ck carry?

About 10 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 461 Avenue over Gravel Ck?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m).

Who owns 461 Avenue over Gravel Ck?

It is owned by the County Highway Agency.