US Bridges

S-23-84 over I-185

Good

Greenville County, South Carolina · South of Greenville · Structure no. 000000000009637

Built
2000
25 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
229 ft
2 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-84 over I-185 is a prestressed concrete continuous stringer/multi-beam or girder carrying S-23-84 over I-185 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,300 vehicles a day, roughly 2% of them trucks, projected to reach 1,989 by 2043. The structure is 229 ft (69.8 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-23-84
CrossesI-185
LocationSouth of Greenville
RouteState Highway 84
Coordinates34.7325, -82.32919
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating19 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length229 ft (69.8 m)
Longest span123 ft (37.5 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,989 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 S-23-84 over I-185 built?

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

What condition is S-23-84 over I-185 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 2023.

How much traffic does S-23-84 over I-185 carry?

About 1,300 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-23-84 over I-185?

The structure is 229 ft (69.8 m) long with a longest span of 123 ft (37.5 m) and a deck 39 ft wide.

Who owns S-23-84 over I-185?

It is owned by the State Highway Agency.