US Bridges

I-185 Sbl over NB I-I85 Ramp

Good

Greenville County, South Carolina · South of Greenville · Structure no. 000000000009631

Built
2001
24 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
3 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

I-185 Sbl over NB I-I85 Ramp is a steel continuous stringer/multi-beam or girder carrying I-185 Sbl over NB I-I85 Ramp in Greenville County, South Carolina. It was built in 2001, so it is 24 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 2,900 vehicles a day, roughly 9% of them trucks, projected to reach 4,147 by 2043. The structure is 183 ft (55.8 m) long and 63 ft wide.

Location

Open in Google Maps
CarriesI-185 Sbl
CrossesNB I-I85 Ramp
LocationSouth of Greenville
RouteInterstate 185
CountyGreenville County
StateSouth Carolina
Coordinates34.78667, -82.43167
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length183 ft (55.8 m)
Longest span99 ft (30.2 m)
Deck width63 ft (19.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic4,147 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-185 Sbl over NB I-I85 Ramp built?

It was built in 2001, making it 24 years old in 2025.

What condition is I-185 Sbl over NB I-I85 Ramp 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 2024.

How much traffic does I-185 Sbl over NB I-I85 Ramp carry?

About 2,900 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-185 Sbl over NB I-I85 Ramp?

The structure is 183 ft (55.8 m) long with a longest span of 99 ft (30.2 m) and a deck 63 ft wide.

Who owns I-185 Sbl over NB I-I85 Ramp?

It is owned by the State Highway Agency.