US Bridges

SD010 over Lake Pocasse Lk

Fair

Campbell County, South Dakota · 1.0 E of Pollock · Structure no. 000000011104026

Built
1961
64 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
387
2024 count
Owner
State
State Highway Agency

About this bridge

SD010 over Lake Pocasse Lk is a concrete continuous slab carrying SD010 over Lake Pocasse Lk in Campbell County, South Dakota. It was built in 1961, so it is 64 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 387 vehicles a day, roughly 26% of them trucks, projected to reach 472 by 2044. The structure is 94 ft (28.7 m) long and 32 ft wide. If it were closed, the detour would be 70.2 mi (113 km).

CarriesSD010
CrossesLake Pocasse Lk
Location1.0 E of Pollock
RouteState Highway 10
Coordinates45.90454, -100.26752
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length94 ft (28.7 m)
Longest span34 ft (10.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic387 (2024)
Projected traffic472 by 2044
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.2 mi (113 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 SD010 over Lake Pocasse Lk built?

It was built in 1961, making it 64 years old in 2025.

What condition is SD010 over Lake Pocasse Lk 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 March 2024.

How much traffic does SD010 over Lake Pocasse Lk carry?

About 387 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is SD010 over Lake Pocasse Lk?

The structure is 94 ft (28.7 m) long with a longest span of 34 ft (10.5 m) and a deck 32 ft wide.

Who owns SD010 over Lake Pocasse Lk?

It is owned by the State Highway Agency.