US Bridges

S-23-48 over I-385

Fair

Greenville County, South Carolina · 1.8MI E Mauldin · Structure no. 000000000007464

Built
1981
44 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
253 ft
4 main spans
Daily traffic
4,900
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-48 over I-385 is a steel continuous stringer/multi-beam or girder carrying S-23-48 over I-385 in Greenville County, South Carolina. It was built in 1981, so it is 44 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 4,900 vehicles a day, roughly 2% of them trucks, projected to reach 7,497 by 2043. The structure is 253 ft (77.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-23-48
CrossesI-385
Location1.8MI E Mauldin
RouteState Highway 48
Coordinates34.77942, -82.27704
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length253 ft (77.1 m)
Longest span89 ft (27.1 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2023)
Projected traffic7,497 by 2043
Trucks2%
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-23-48 over I-385 built?

It was built in 1981, making it 44 years old in 2025.

What condition is S-23-48 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 June 2023.

How much traffic does S-23-48 over I-385 carry?

About 4,900 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-23-48 over I-385?

The structure is 253 ft (77.1 m) long with a longest span of 89 ft (27.1 m) and a deck 39 ft wide.

Who owns S-23-48 over I-385?

It is owned by the State Highway Agency.