US Bridges

453 Avenue over Soo Ck

Fair

Codington County, South Dakota · 8.5E 4.2N Florence · Structure no. 000000015170026

Built
1980
45 years old, rebuilt 2009
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

453 Avenue over Soo Ck is a prestressed concrete tee beam carrying 453 Avenue over Soo Ck in Codington County, South Dakota. It was built in 1980 and reconstructed in 2009, so it is 45 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 73 vehicles a day, roughly 2% of them trucks, projected to reach 73 by 2032. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries453 Avenue
CrossesSoo Ck
Location8.5E 4.2N Florence
RouteCounty Highway 0
Coordinates45.11404, -97.14423
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span59 ft (18 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic73 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 453 Avenue over Soo Ck built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2009.

What condition is 453 Avenue over Soo 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 June 2023.

How much traffic does 453 Avenue over Soo Ck carry?

About 73 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 453 Avenue over Soo Ck?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 31 ft wide.

Who owns 453 Avenue over Soo Ck?

It is owned by the County Highway Agency.