US Bridges

Big Foot RD over Whitewater Ck

Fair

Pennington County, South Dakota · 3.4 E 6.8 S Quinn · Structure no. 000000052A00434

Built
1963
62 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
129 ft
5 main spans
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

Big Foot RD over Whitewater Ck is a concrete continuous slab carrying Big Foot RD over Whitewater Ck in Pennington 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 79 vehicles a day, roughly 3% of them trucks, projected to reach 79 by 2032. The structure is 129 ft (39.3 m) long and 28 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesBig Foot RD
CrossesWhitewater Ck
Location3.4 E 6.8 S Quinn
RouteCounty Highway 0
Coordinates43.88883, -102.05938
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating46.3 US tons
Inventory rating27.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length129 ft (39.3 m)
Longest span28 ft (8.5 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic79 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Foot RD over Whitewater Ck built?

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

What condition is Big Foot RD over Whitewater 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 Big Foot RD over Whitewater Ck carry?

About 79 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Big Foot RD over Whitewater Ck?

The structure is 129 ft (39.3 m) long with a longest span of 28 ft (8.5 m) and a deck 28 ft wide.

Who owns Big Foot RD over Whitewater Ck?

It is owned by the County Highway Agency.