US Bridges

Sc 184 over Rocky River

Fair

Abbeville County, South Carolina · 14.8MI NW Abbev · Structure no. 000000000001159

Built
1941
84 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
521 ft
8 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 184 over Rocky River is a steel continuous stringer/multi-beam or girder carrying Sc 184 over Rocky River in Abbeville County, South Carolina. It was built in 1941, so it is 84 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 5 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 1,600 vehicles a day, roughly 11% of them trucks, projected to reach 2,544 by 2043. The structure is 521 ft (158.7 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSc 184
CrossesRocky River
Location14.8MI NW Abbev
RouteState Highway 184
CountyAbbeville County
StateSouth Carolina
Coordinates34.31312, -82.57879
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length521 ft (158.7 m)
Longest span80 ft (24.4 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic2,544 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 184 over Rocky River built?

It was built in 1941, making it 84 years old in 2025.

What condition is Sc 184 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 September 2023.

How much traffic does Sc 184 over Rocky River carry?

About 1,600 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Sc 184 over Rocky River?

The structure is 521 ft (158.7 m) long with a longest span of 80 ft (24.4 m) and a deck 26 ft wide.

Who owns Sc 184 over Rocky River?

It is owned by the State Highway Agency.