US Bridges

I-185 SB over S-50

Good

Greenville County, South Carolina · South of Greenville · Structure no. 000000000009622

Built
2000
25 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
187 ft
3 main spans
Daily traffic
4,150
2023 count
Owner
State
State Highway Agency

About this bridge

I-185 SB over S-50 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-185 SB over S-50 in Greenville County, South Carolina. It was built in 2000, so it is 25 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 4,150 vehicles a day, roughly 9% of them trucks, projected to reach 5,935 by 2043. The structure is 187 ft (57 m) long and 47 ft wide.

CarriesI-185 SB
CrossesS-50
LocationSouth of Greenville
RouteInterstate 185
Coordinates34.7181, -82.35721
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length187 ft (57 m)
Longest span81 ft (24.7 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,150 (2023)
Projected traffic5,935 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll 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 SB over S-50 built?

It was built in 2000, making it 25 years old in 2025.

What condition is I-185 SB over S-50 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 SB over S-50 carry?

About 4,150 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-185 SB over S-50?

The structure is 187 ft (57 m) long with a longest span of 81 ft (24.7 m) and a deck 47 ft wide.

Who owns I-185 SB over S-50?

It is owned by the State Highway Agency.