US Bridges

158 Street over Ck

Fair

Codington County, South Dakota · 2.3 N 0.9 W Florence · Structure no. 000000015071040

Built
1928
97 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

158 Street over Ck is a concrete culvert carrying 158 Street over Ck in Codington County, South Dakota. It was built in 1928, so it is 97 years old, older 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 5 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 3% of them trucks, projected to reach 73 by 2032. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries158 Street
CrossesCk
Location2.3 N 0.9 W Florence
RouteCounty Highway 0
Coordinates45.09396, -97.34928
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic73 by 2032
Trucks3%
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 statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$10,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 158 Street over Ck built?

It was built in 1928, making it 97 years old in 2025.

What condition is 158 Street 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 June 2023.

How much traffic does 158 Street over Ck carry?

About 73 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 158 Street over Ck?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 158 Street over Ck?

It is owned by the County Highway Agency.