US Bridges

Mckinley Street over Whitewood Ck

Good

Lawrence County, South Dakota · Mckinley ST - Deadwood · Structure no. 000000041164153

Built
1990
35 years old
Condition
Good
inspected July 2024
Type
Frame
Concrete
Length
41 ft
1 main span
Daily traffic
698
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mckinley Street over Whitewood Ck is a concrete frame carrying Mckinley Street over Whitewood Ck in Lawrence County, South Dakota. It was built in 1990, so it is 35 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 698 vehicles a day, roughly 2% of them trucks, projected to reach 698 by 2032. The structure is 41 ft (12.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMckinley Street
CrossesWhitewood Ck
LocationMckinley ST - Deadwood
RouteCity Street 0
Coordinates44.38301, -103.72169
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length41 ft (12.5 m)
Longest span37 ft (11.3 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic698 (2022)
Projected traffic698 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Mckinley Street over Whitewood Ck built?

It was built in 1990, making it 35 years old in 2025.

What condition is Mckinley Street over Whitewood 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 2024.

How much traffic does Mckinley Street over Whitewood Ck carry?

About 698 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Mckinley Street over Whitewood Ck?

The structure is 41 ft (12.5 m) long with a longest span of 37 ft (11.3 m) and a deck 35 ft wide.

Who owns Mckinley Street over Whitewood Ck?

It is owned by the Town or Township Highway Agency.