US Bridges

S-23-55 over I-385

Good

Greenville County, South Carolina · 12MI S Simpsonville · Structure no. 000000000002542

Built
2002
23 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
2 main spans
Daily traffic
22,400
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-55 over I-385 is a steel continuous stringer/multi-beam or girder carrying S-23-55 over I-385 in Greenville County, South Carolina. It was built in 2002, so it is 23 years old, younger 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.

It carries about 22,400 vehicles a day, roughly 3% of them trucks, projected to reach 28,448 by 2043. The structure is 256 ft (78 m) long and 112 ft wide.

Location

Open in Google Maps
CarriesS-23-55
CrossesI-385
Location12MI S Simpsonville
RouteState Highway 55
CountyGreenville County
StateSouth Carolina
Coordinates34.71909, -82.25508
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length256 ft (78 m)
Longest span128 ft (39 m)
Deck width112 ft (34 m)
Roadway width98 ft (30 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,400 (2023)
Projected traffic28,448 by 2043
Trucks3%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-23-55 over I-385 built?

It was built in 2002, making it 23 years old in 2025.

What condition is S-23-55 over I-385 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 July 2023.

How much traffic does S-23-55 over I-385 carry?

About 22,400 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-23-55 over I-385?

The structure is 256 ft (78 m) long with a longest span of 128 ft (39 m) and a deck 112 ft wide.

Who owns S-23-55 over I-385?

It is owned by the State Highway Agency.