US Bridges

I-185 over Scl RR & S-1117

Fair

Greenville County, South Carolina · 3.0MI S of Greenville · Structure no. 000000000002533

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
194 ft
7 main spans
Daily traffic
25,300
2023 count
Owner
State
State Highway Agency

About this bridge

I-185 over Scl RR & S-1117 is a concrete continuous slab carrying I-185 over Scl RR & S-1117 in Greenville County, South Carolina. It was built in 1957, so it is 68 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 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 194 ft (59.1 m) long and 66 ft wide.

CarriesI-185
CrossesScl RR & S-1117
Location3.0MI S of Greenville
RouteInterstate 185
Coordinates34.80041, -82.43026
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length194 ft (59.1 m)
Longest span30 ft (9.1 m)
Deck width66 ft (20.1 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,300 (2023)
Projected traffic36,179 by 2043
Trucks8%
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$206,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-185 over Scl RR & S-1117 built?

It was built in 1957, making it 68 years old in 2025.

What condition is I-185 over Scl RR & S-1117 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 over Scl RR & S-1117 carry?

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

How long is I-185 over Scl RR & S-1117?

The structure is 194 ft (59.1 m) long with a longest span of 30 ft (9.1 m) and a deck 66 ft wide.

Who owns I-185 over Scl RR & S-1117?

It is owned by the State Highway Agency.