US Bridges

256th Street over Trib to W Pipestone Ck

Good

Minnehaha County, South Dakota · 4N & 1.4W Corson · Structure no. 000000050266120

Built
1999
26 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
32
2022 count
Owner
County
County Highway Agency

About this bridge

256th Street over Trib to W Pipestone Ck is a concrete continuous culvert carrying 256th Street over Trib to W Pipestone Ck in Minnehaha 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 32 vehicles a day, roughly 2% of them trucks, projected to reach 37 by 2037. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries256th Street
CrossesTrib to W Pipestone Ck
Location4N & 1.4W Corson
RouteCounty Highway 0
Coordinates43.67409, -96.59944
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.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32 (2022)
Projected traffic37 by 2037
Trucks2%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$207,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 256th Street over Trib to W Pipestone Ck built?

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

What condition is 256th Street over Trib to W Pipestone 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 2024.

How much traffic does 256th Street over Trib to W Pipestone Ck carry?

About 32 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 256th Street over Trib to W Pipestone Ck?

The structure is 25 ft (7.5 m) long with a longest span of 13 ft (3.9 m).

Who owns 256th Street over Trib to W Pipestone Ck?

It is owned by the County Highway Agency.