US Bridges

SD011 over Pipestone Ck

Fair

Minnehaha County, South Dakota · 3.4 SW Minnesota Line · Structure no. 000000050312012

Built
1963
62 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
209 ft
5 main spans
Daily traffic
1,968
2024 count
Owner
State
State Highway Agency

About this bridge

SD011 over Pipestone Ck is a concrete continuous slab carrying SD011 over Pipestone Ck in Minnehaha County, South Dakota. It was built in 1963, so it is 62 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 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 1,968 vehicles a day, roughly 12% of them trucks, projected to reach 3,048 by 2044. The structure is 209 ft (63.7 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSD011
CrossesPipestone Ck
Location3.4 SW Minnesota Line
RouteState Highway 11
Coordinates43.83123, -96.51003
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length209 ft (63.7 m)
Longest span43 ft (13 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,968 (2024)
Projected traffic3,048 by 2044
Trucks12%
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

OwnerState Highway Agency
Maintained byState 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 SD011 over Pipestone Ck built?

It was built in 1963, making it 62 years old in 2025.

What condition is SD011 over Pipestone 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 September 2024.

How much traffic does SD011 over Pipestone Ck carry?

About 1,968 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SD011 over Pipestone Ck?

The structure is 209 ft (63.7 m) long with a longest span of 43 ft (13 m) and a deck 34 ft wide.

Who owns SD011 over Pipestone Ck?

It is owned by the State Highway Agency.