US Bridges

I-185 over S-5 and Southern R.R.

Fair

Greenville County, South Carolina · 2.5MI S of Greenville · Structure no. 000000000002962

Built
1959
66 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
240 ft
6 main spans
Daily traffic
14,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-185 over S-5 and Southern R.R. is a concrete tee beam carrying I-185 over S-5 and Southern R.R. in Greenville County, South Carolina. It was built in 1959, so it is 66 years old, older 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 5 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 14,500 vehicles a day, roughly 9% of them trucks, projected to reach 20,735 by 2043. The structure is 240 ft (73.2 m) long and 66 ft wide.

CarriesI-185
CrossesS-5 and Southern R.R.
Location2.5MI S of Greenville
RouteInterstate 185
Coordinates34.80267, -82.42589
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating34.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width66 ft (20.2 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2023)
Projected traffic20,735 by 2043
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-185 over S-5 and Southern R.R. built?

It was built in 1959, making it 66 years old in 2025.

What condition is I-185 over S-5 and Southern R.R. 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 April 2024.

How much traffic does I-185 over S-5 and Southern R.R. carry?

About 14,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-185 over S-5 and Southern R.R.?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 66 ft wide.

Who owns I-185 over S-5 and Southern R.R.?

It is owned by the State Highway Agency.