US Bridges

Crook City Road over Whitewood Creek

Good

Meade County, South Dakota · T 6 N R 4 E Sec 33 · Structure no. 020308000010085

Built
1983
42 years old
Condition
Good
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
50
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Crook City Road over Whitewood Creek is a prestressed concrete tee beam carrying Crook City Road over Whitewood Creek in Meade County, South Dakota. It was built in 1983, so it is 42 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 61 ft (18.6 m) long and 19 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesCrook City Road
CrossesWhitewood Creek
LocationT 6 N R 4 E Sec 33
RouteFederal Lands Road 176
Coordinates44.44212, -103.62967
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length61 ft (18.6 m)
Longest span59 ft (18.1 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1992)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Crook City Road over Whitewood Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Crook City Road over Whitewood Creek 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 May 2023.

How much traffic does Crook City Road over Whitewood Creek carry?

About 50 vehicles per day (1992 count).

How long is Crook City Road over Whitewood Creek?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18.1 m) and a deck 19 ft wide.

Who owns Crook City Road over Whitewood Creek?

It is owned by the U.S. Forest Service.