US Bridges

S-23-23 over I-385

Fair

Greenville County, South Carolina · 6.3 MI E of Greenville · Structure no. 000000000010061

Built
1980
45 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
273 ft
2 main spans
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-23 over I-385 is a steel continuous stringer/multi-beam or girder carrying S-23-23 over I-385 in Greenville County, South Carolina. It was built in 1980, so it is 45 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 6 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 273 ft (83.2 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-23-23
CrossesI-385
Location6.3 MI E of Greenville
RouteState Highway 23
Coordinates34.81495, -82.28948
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length273 ft (83.2 m)
Longest span94 ft (28.7 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1980, making it 45 years old in 2025.

What condition is S-23-23 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 May 2024.

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

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

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

The structure is 273 ft (83.2 m) long with a longest span of 94 ft (28.7 m) and a deck 35 ft wide.

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

It is owned by the State Highway Agency.