US Bridges

I-85 over Rocky Creek

Good

Greenville County, South Carolina · 7.6 MI E of Greenville · Structure no. 000000000010382

Built
2022
3 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
140,900
2023 count
Owner
State
State Highway Agency

About this bridge

I-85 over Rocky Creek is a prestressed concrete stringer/multi-beam or girder carrying I-85 over Rocky Creek in Greenville County, South Carolina. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 140,900 vehicles a day, roughly 20% of them trucks, projected to reach 201,487 by 2043. The structure is 110 ft (33.5 m) long and 150 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-85
CrossesRocky Creek
Location7.6 MI E of Greenville
RouteInterstate 85
CountyGreenville County
StateSouth Carolina
Coordinates34.8557, -82.26819
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating84.7 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width150 ft (45.7 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140,900 (2023)
Projected traffic201,487 by 2043
Trucks20%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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$225,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-85 over Rocky Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is I-85 over Rocky Creek 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 April 2023.

How much traffic does I-85 over Rocky Creek carry?

About 140,900 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is I-85 over Rocky Creek?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 150 ft wide.

Who owns I-85 over Rocky Creek?

It is owned by the State Highway Agency.