US Bridges

S-23-144 over I-185

Good

Greenville County, South Carolina · South of Greenville · Structure no. 000000000009635

Built
2000
25 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
386 ft
3 main spans
Daily traffic
5,100
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-144 over I-185 is a steel continuous stringer/multi-beam or girder carrying S-23-144 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 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 5,100 vehicles a day, roughly 3% of them trucks, projected to reach 6,936 by 2043. The structure is 386 ft (117.7 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-23-144
CrossesI-185
LocationSouth of Greenville
RouteState Highway 1046
Coordinates34.75295, -82.29231
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
Deck7 GoodSome minor problems.
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 evaluation7: Better than 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 rating40 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length386 ft (117.7 m)
Longest span122 ft (37.2 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2023)
Projected traffic6,936 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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-23-144 over I-185 built?

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

What condition is S-23-144 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-23-144 over I-185 carry?

About 5,100 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-23-144 over I-185?

The structure is 386 ft (117.7 m) long with a longest span of 122 ft (37.2 m) and a deck 39 ft wide.

Who owns S-23-144 over I-185?

It is owned by the State Highway Agency.