US Bridges

Sheridan Lake Road over Rapid Ck

Good

Pennington County, South Dakota · .4N Sheridan Lk &SD44 -Rc · Structure no. 000000052395305

Built
1973
52 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
4,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sheridan Lake Road over Rapid Ck is a concrete continuous slab carrying Sheridan Lake Road over Rapid Ck in Pennington County, South Dakota. It was built in 1973, so it is 52 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 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 4,800 vehicles a day, roughly 1% of them trucks, projected to reach 4,800 by 2032. The structure is 113 ft (34.4 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSheridan Lake Road
CrossesRapid Ck
Location.4N Sheridan Lk &SD44 -Rc
RouteCity Street 0
Coordinates44.07488, -103.26212
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span42 ft (12.8 m)
Deck width66 ft (20.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2022)
Projected traffic4,800 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sheridan Lake Road over Rapid Ck built?

It was built in 1973, making it 52 years old in 2025.

What condition is Sheridan Lake Road over Rapid 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 April 2024.

How much traffic does Sheridan Lake Road over Rapid Ck carry?

About 4,800 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Sheridan Lake Road over Rapid Ck?

The structure is 113 ft (34.4 m) long with a longest span of 42 ft (12.8 m) and a deck 66 ft wide.

Who owns Sheridan Lake Road over Rapid Ck?

It is owned by the City or Municipal Highway Agency.