US Bridges

483rd Avenue over Ck

Good

Brookings County, South Dakota · 3.3N & 3W Elkton · Structure no. 000000006290177

Built
2009
16 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
50 ft
4 main spans
Daily traffic
92
2022 count
Owner
County
County Highway Agency

About this bridge

483rd Avenue over Ck is a concrete continuous culvert carrying 483rd Avenue over Ck in Brookings 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 92 vehicles a day, roughly 2% of them trucks, projected to reach 92 by 2032. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries483rd Avenue
CrossesCk
Location3.3N & 3W Elkton
RouteCounty Highway 0
Coordinates44.28619, -96.54716
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating52.2 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadUnknown
Structure length50 ft (15.2 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 traffic92 (2022)
Projected traffic92 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$637,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 483rd Avenue over Ck built?

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

What condition is 483rd Avenue over 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 September 2023.

How much traffic does 483rd Avenue over Ck carry?

About 92 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 483rd Avenue over Ck?

The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.7 m).

Who owns 483rd Avenue over Ck?

It is owned by the County Highway Agency.