US Bridges

S Rochford over Rapid Ck

Good

Pennington County, South Dakota · 0.6W 0.1S Rochford · Structure no. 000000052162272

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
35 ft
1 main span
Daily traffic
276
2022 count
Owner
County
County Highway Agency

About this bridge

S Rochford over Rapid Ck is a concrete culvert carrying S Rochford over Rapid Ck in Pennington County, South Dakota. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 276 vehicles a day, roughly 14% of them trucks, projected to reach 276 by 2034. The structure is 35 ft (10.7 m) long and 33 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesS Rochford
CrossesRapid Ck
Location0.6W 0.1S Rochford
RouteCounty Highway 0
Coordinates44.12299, -103.7295
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating75.6 US tons
Inventory rating61.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic276 (2022)
Projected traffic276 by 2034
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 S Rochford over Rapid Ck built?

It was built in 2021, making it 4 years old in 2025.

What condition is S Rochford 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 September 2023.

How much traffic does S Rochford over Rapid Ck carry?

About 276 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is S Rochford over Rapid Ck?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns S Rochford over Rapid Ck?

It is owned by the County Highway Agency.