US Bridges

C-23-3230 over I-185

Fair

Greenville County, South Carolina · 2.5 MI SW of Greenville · Structure no. 000000000002740

Built
1958
67 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
1 main span
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

C-23-3230 over I-185 is a steel stringer/multi-beam or girder carrying C-23-3230 over I-185 in Greenville County, South Carolina. It was built in 1958, so it is 67 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 176 ft (53.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-23-3230
CrossesI-185
Location2.5 MI SW of Greenville
RouteCounty Highway 3230
Coordinates34.81422, -82.42035
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span76 ft (23.2 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 by 2043
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 C-23-3230 over I-185 built?

It was built in 1958, making it 67 years old in 2025.

What condition is C-23-3230 over I-185 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 C-23-3230 over I-185 carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-23-3230 over I-185?

The structure is 176 ft (53.6 m) long with a longest span of 76 ft (23.2 m) and a deck 32 ft wide.

Who owns C-23-3230 over I-185?

It is owned by the County Highway Agency.