US Bridges

I-185 Sbl over Reedy River

Good

Greenville County, South Carolina · South of Greenville · Structure no. 000000000009616

Built
1999
26 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
440 ft
4 main spans
Daily traffic
4,650
2023 count
Owner
State
State Highway Agency

About this bridge

I-185 Sbl over Reedy River is a prestressed concrete stringer/multi-beam or girder carrying I-185 Sbl over Reedy River in Greenville County, South Carolina. It was built in 1999, so it is 26 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 4,650 vehicles a day, roughly 13% of them trucks, projected to reach 6,650 by 2043. The structure is 440 ft (134.1 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-185 Sbl
CrossesReedy River
LocationSouth of Greenville
RouteInterstate 185
Coordinates34.73654, -82.32334
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating20.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length440 ft (134.1 m)
Longest span110 ft (33.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,650 (2023)
Projected traffic6,650 by 2043
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-185 Sbl over Reedy River built?

It was built in 1999, making it 26 years old in 2025.

What condition is I-185 Sbl over Reedy River 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 Reedy River carry?

About 4,650 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is I-185 Sbl over Reedy River?

The structure is 440 ft (134.1 m) long with a longest span of 110 ft (33.5 m) and a deck 47 ft wide.

Who owns I-185 Sbl over Reedy River?

It is owned by the State Highway Agency.