156 St. over Ck

Good

Potter County, South Dakota · 4N & 0.3W Lebanon · Structure no. 000000054307080

Built: 1992; 33 years old
Condition: Good; inspected July 2022
Type: Culvert; Concrete Continuous
Length: 33 ft; 3 main spans
Daily traffic: 10; 2022 count
Owner: County; County Highway Agency

About this bridge

156 St. over Ck is a concrete continuous culvert carrying 156 St. over Ck in Potter County, South Dakota. It was built in 1992, so it is 33 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 33 ft (10 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps

Carries156 St.

CrossesCk

Location4N & 0.3W Lebanon

RouteCounty Highway 0

CountyPotter County

StateSouth Dakota

Coordinates45.1296, -99.78387

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.

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	7 Good	Some minor problems.

Last inspectionJuly 2022

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 alignment8: Equal to present desirable criteria

Operating rating98.3 US tons

Inventory rating58.9 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length33 ft (10 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 traffic10 (2022)

Projected traffic10 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 proposedRehabilitation because of general structure deterioration or inadequate strength

Estimated improvement cost$2,000

NavigationNo navigation control on waterway

Frequently asked questions

When was 156 St. over Ck built?

It was built in 1992, making it 33 years old in 2025.

What condition is 156 St. 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 July 2022.

How much traffic does 156 St. over Ck carry?

About 10 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 156 St. over Ck?

The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m).

Who owns 156 St. over Ck?

It is owned by the County Highway Agency.