US Bridges

Sc 185 over Rocky River

GoodPosted for load

Anderson County, South Carolina · 7.9 MI SE of Anderson · Structure no. 000000000001593

Built
1949
76 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Concrete
Length
210 ft
7 main spans
Daily traffic
1,950
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 185 over Rocky River is a concrete tee beam carrying Sc 185 over Rocky River in Anderson County, South Carolina. It was built in 1949, so it is 76 years old, older than the South Carolina average of 48 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. Its operating status is: posted for load restriction.

It carries about 1,950 vehicles a day, roughly 11% of them trucks, projected to reach 2,399 by 2043. The structure is 210 ft (64 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSc 185
CrossesRocky River
Location7.9 MI SE of Anderson
RouteState Highway 185
Coordinates34.42419, -82.58928
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 15
Structure length210 ft (64 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2023)
Projected traffic2,399 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 185 over Rocky River built?

It was built in 1949, making it 76 years old in 2025.

What condition is Sc 185 over Rocky River 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 December 2023.

How much traffic does Sc 185 over Rocky River carry?

About 1,950 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Sc 185 over Rocky River?

The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns Sc 185 over Rocky River?

It is owned by the State Highway Agency.