US Bridges

155 Street over Ck

Fair

Potter County, South Dakota · 7S & 0.3W Hoven · Structure no. 000000054307070

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

155 Street over Ck is a concrete continuous slab carrying 155 Street over Ck in Potter County, South Dakota. It was built in 1940, so it is 85 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 25 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2032. The structure is 35 ft (10.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries155 Street
CrossesCk
Location7S & 0.3W Hoven
RouteCounty Highway 0
Coordinates45.14414, -99.78315
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length35 ft (10.7 m)
Longest span16 ft (4.9 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 155 Street over Ck built?

It was built in 1940, making it 85 years old in 2025.

What condition is 155 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 July 2024.

How much traffic does 155 Street over Ck carry?

About 25 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 155 Street over Ck?

The structure is 35 ft (10.7 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.

Who owns 155 Street over Ck?

It is owned by the County Highway Agency.