US Bridges

I-185 NB over Ramp Off I-85 SB

Fair

Greenville County, South Carolina · South of Greenville · Structure no. 000000000009632

Built
2001
24 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
2 main spans
Daily traffic
25,300
2023 count
Owner
State
State Highway Agency

About this bridge

I-185 NB over Ramp Off I-85 SB is a steel continuous stringer/multi-beam or girder carrying I-185 NB over Ramp Off I-85 SB 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 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 25,300 vehicles a day, roughly 8% of them trucks, projected to reach 36,179 by 2043. The structure is 183 ft (55.8 m) long and 68 ft wide.

CarriesI-185 NB
CrossesRamp Off I-85 SB
LocationSouth of Greenville
RouteInterstate 185
Coordinates34.79157, -82.43901
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length183 ft (55.8 m)
Longest span104 ft (31.7 m)
Deck width68 ft (20.8 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,300 (2023)
Projected traffic36,179 by 2043
Trucks8%
Lanes on structure4
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 NB over Ramp Off I-85 SB built?

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

What condition is I-185 NB over Ramp Off I-85 SB 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 July 2024.

How much traffic does I-185 NB over Ramp Off I-85 SB carry?

About 25,300 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is I-185 NB over Ramp Off I-85 SB?

The structure is 183 ft (55.8 m) long with a longest span of 104 ft (31.7 m) and a deck 68 ft wide.

Who owns I-185 NB over Ramp Off I-85 SB?

It is owned by the State Highway Agency.