US Bridges

I-385 over I-85

Good

Greenville County, South Carolina · 6 MI E of Greenville · Structure no. 000000000010424

Built
2019
6 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
497 ft
4 main spans
Daily traffic
50,600
2023 count
Owner
State
State Highway Agency

About this bridge

I-385 over I-85 is a prestressed concrete stringer/multi-beam or girder carrying I-385 over I-85 in Greenville County, South Carolina. It was built in 2019, so it is 6 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 50,600 vehicles a day, roughly 8% of them trucks, projected to reach 72,358 by 2043. The structure is 497 ft (151.5 m) long and 122 ft wide.

Location

Open in Google Maps
CarriesI-385
CrossesI-85
Location6 MI E of Greenville
RouteInterstate 385
CountyGreenville County
StateSouth Carolina
Coordinates34.83284, -82.29664
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length497 ft (151.5 m)
Longest span144 ft (43.9 m)
Deck width122 ft (37.1 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,600 (2023)
Projected traffic72,358 by 2043
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$476,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-385 over I-85 built?

It was built in 2019, making it 6 years old in 2025.

What condition is I-385 over I-85 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 I-385 over I-85 carry?

About 50,600 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is I-385 over I-85?

The structure is 497 ft (151.5 m) long with a longest span of 144 ft (43.9 m) and a deck 122 ft wide.

Who owns I-385 over I-85?

It is owned by the State Highway Agency.