US Bridges

Sc 184 over Savannah River

Fair

Anderson County, South Carolina · 17.5 MI SW of Anderson · Structure no. 000000000007646

Built
1983
42 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
904 ft
6 main spans
Daily traffic
800
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 184 over Savannah River is a steel continuous stringer/multi-beam or girder carrying Sc 184 over Savannah River in Anderson County, South Carolina. It was built in 1983, so it is 42 years old, younger 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 800 vehicles a day, roughly 6% of them trucks, projected to reach 1,272 by 2043. The structure is 904 ft (275.5 m) long and 47 ft wide.

CarriesSc 184
CrossesSavannah River
Location17.5 MI SW of Anderson
RouteState Highway 184
Coordinates34.25518, -82.74546
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 inspectionAugust 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length904 ft (275.5 m)
Longest span173 ft (52.7 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic1,272 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 184 over Savannah River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Sc 184 over Savannah 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 August 2023.

How much traffic does Sc 184 over Savannah River carry?

About 800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Sc 184 over Savannah River?

The structure is 904 ft (275.5 m) long with a longest span of 173 ft (52.7 m) and a deck 47 ft wide.

Who owns Sc 184 over Savannah River?

It is owned by the State Highway Agency.