US Bridges

Rochford Road over South Fork Rapid Ck

Fair

Pennington County, South Dakota · 1.0W & 0.4N Rochford · Structure no. 000000052158267

Built
1992
33 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
129
2022 count
Owner
County
County Highway Agency

About this bridge

Rochford Road over South Fork Rapid Ck is a prestressed concrete tee beam carrying Rochford Road over South Fork Rapid Ck in Pennington County, South Dakota. It was built in 1992, so it is 33 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 129 vehicles a day, roughly 2% of them trucks, projected to reach 129 by 2032. The structure is 26 ft (7.9 m) long and 15 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRochford Road
CrossesSouth Fork Rapid Ck
Location1.0W & 0.4N Rochford
RouteCounty Highway 0
Coordinates44.13052, -103.73672
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.5 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2022)
Projected traffic129 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Rochford Road over South Fork Rapid Ck built?

It was built in 1992, making it 33 years old in 2025.

What condition is Rochford Road over South Fork Rapid Ck in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Rochford Road over South Fork Rapid Ck carry?

About 129 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Rochford Road over South Fork Rapid Ck?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.5 m) and a deck 15 ft wide.

Who owns Rochford Road over South Fork Rapid Ck?

It is owned by the County Highway Agency.