US Bridges

Sc 28 over Rocky River

FairPosted for load

Anderson County, South Carolina · 11.2MI SE of Anderson · Structure no. 000000000002113

Built
1955
70 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
230 ft
5 main spans
Daily traffic
3,400
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 28 over Rocky River is a concrete tee beam carrying Sc 28 over Rocky River in Anderson County, South Carolina. It was built in 1955, so it is 70 years old, older than the South Carolina average of 48 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. Its operating status is: posted for load restriction.

It carries about 3,400 vehicles a day, roughly 15% of them trucks, projected to reach 5,406 by 2043. The structure is 230 ft (70.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSc 28
CrossesRocky River
Location11.2MI SE of Anderson
RouteState Highway 28
Coordinates34.34894, -82.56916
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length230 ft (70.1 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2023)
Projected traffic5,406 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$650,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 28 over Rocky River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Sc 28 over Rocky River 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 December 2024.

How much traffic does Sc 28 over Rocky River carry?

About 3,400 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Sc 28 over Rocky River?

The structure is 230 ft (70.1 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns Sc 28 over Rocky River?

It is owned by the State Highway Agency.