US Bridges

S-23-530 over I-385

Fair

Greenville County, South Carolina · 0.8 MI SW Simpsonville · Structure no. 000000000007121

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
343 ft
5 main spans
Daily traffic
2,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-530 over I-385 is a steel stringer/multi-beam or girder carrying S-23-530 over I-385 in Greenville County, South Carolina. It was built in 1978, so it is 47 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 2,600 vehicles a day, roughly 5% of them trucks, projected to reach 3,328 by 2043. The structure is 343 ft (104.5 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-23-530
CrossesI-385
Location0.8 MI SW Simpsonville
RouteState Highway 530
CountyGreenville County
StateSouth Carolina
Coordinates34.73026, -82.26523
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length343 ft (104.5 m)
Longest span147 ft (44.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2023)
Projected traffic3,328 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-23-530 over I-385 built?

It was built in 1978, making it 47 years old in 2025.

What condition is S-23-530 over I-385 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 July 2023.

How much traffic does S-23-530 over I-385 carry?

About 2,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-23-530 over I-385?

The structure is 343 ft (104.5 m) long with a longest span of 147 ft (44.8 m) and a deck 33 ft wide.

Who owns S-23-530 over I-385?

It is owned by the State Highway Agency.