US Bridges

State Park RD over Crow Ck

Good

Lawrence County, South Dakota · 7.1W 2.8N Spearfish · Structure no. 000000041019032

Built
2017
8 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
5
2022 count
Owner
State
Other State Agency

About this bridge

State Park RD over Crow Ck is a prestressed concrete tee beam carrying State Park RD over Crow Ck in Lawrence County, South Dakota. It was built in 2017, so it is 8 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 5 vehicles a day, roughly 2% of them trucks, projected to reach 5 by 2032. The structure is 61 ft (18.7 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesState Park RD
CrossesCrow Ck
Location7.1W 2.8N Spearfish
RouteState Lands Road 0
Coordinates44.55769, -104.01352
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 protection7 GoodSome minor problems.
Last inspectionOctober 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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length61 ft (18.7 m)
Longest span57 ft (17.4 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2022)
Projected traffic5 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 State Park RD over Crow Ck built?

It was built in 2017, making it 8 years old in 2025.

What condition is State Park RD over Crow 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 October 2024.

How much traffic does State Park RD over Crow Ck carry?

About 5 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is State Park RD over Crow Ck?

The structure is 61 ft (18.7 m) long with a longest span of 57 ft (17.4 m) and a deck 15 ft wide.

Who owns State Park RD over Crow Ck?

It is owned by the Other State Agency.