US Bridges

455 Avenue over Soo Ck

Good

Codington County, South Dakota · 1.1 N JCT Sd 20 E · Structure no. 000000015190019

Built
1999
26 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
1,460
2022 count
Owner
County
County Highway Agency

About this bridge

455 Avenue over Soo Ck is a concrete continuous culvert carrying 455 Avenue over Soo Ck in Codington County, South Dakota. It was built in 1999, so it is 26 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 1,460 vehicles a day, roughly 2% of them trucks, projected to reach 1,460 by 2032. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Carries455 Avenue
CrossesSoo Ck
Location1.1 N JCT Sd 20 E
RouteCounty Highway 0
Coordinates45.12402, -97.1032
Functional classRural Major Collector

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 2021
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 alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating91.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length38 ft (11.7 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 traffic1,460 (2022)
Projected traffic1,460 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 455 Avenue over Soo Ck built?

It was built in 1999, making it 26 years old in 2025.

What condition is 455 Avenue over Soo 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 2021.

How much traffic does 455 Avenue over Soo Ck carry?

About 1,460 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 455 Avenue over Soo Ck?

The structure is 38 ft (11.7 m) long with a longest span of 12 ft (3.7 m).

Who owns 455 Avenue over Soo Ck?

It is owned by the County Highway Agency.