US Bridges

Sheridan Lake Road over Spring Ck

Good

Pennington County, South Dakota · 2.IN 2.6WROCKERVILLE · Structure no. 000000052325364

Built
1974
51 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
933
2022 count
Owner
County
County Highway Agency

About this bridge

Sheridan Lake Road over Spring Ck is a concrete continuous slab carrying Sheridan Lake Road over Spring Ck in Pennington County, South Dakota. It was built in 1974, so it is 51 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 933 vehicles a day, roughly 3% of them trucks, projected to reach 933 by 2032. The structure is 103 ft (31.4 m) long and 37 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesSheridan Lake Road
CrossesSpring Ck
Location2.IN 2.6WROCKERVILLE
RouteCounty Highway 0
Coordinates43.98899, -103.40944
Functional classRural Major Collector

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span38 ft (11.6 m)
Deck width37 ft (11.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic933 (2022)
Projected traffic933 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Sheridan Lake Road over Spring Ck built?

It was built in 1974, making it 51 years old in 2025.

What condition is Sheridan Lake Road over Spring 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 2023.

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

About 933 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sheridan Lake Road over Spring Ck?

The structure is 103 ft (31.4 m) long with a longest span of 38 ft (11.6 m) and a deck 37 ft wide.

Who owns Sheridan Lake Road over Spring Ck?

It is owned by the County Highway Agency.