US Bridges

S-23-435 over I-85

Fair

Greenville County, South Carolina · 4.0 MI SE Greenville · Structure no. 000000000002977

Built
1959
66 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
214 ft
4 main spans
Daily traffic
5,100
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-435 over I-85 is a concrete tee beam carrying S-23-435 over I-85 in Greenville County, South Carolina. It was built in 1959, so it is 66 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 5,100 vehicles a day, roughly 8% of them trucks, projected to reach 7,803 by 2043. The structure is 214 ft (65.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-23-435
CrossesI-85
Location4.0 MI SE Greenville
RouteState Highway 435
CountyGreenville County
StateSouth Carolina
Coordinates34.81106, -82.34321
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length214 ft (65.2 m)
Longest span56 ft (17.1 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2023)
Projected traffic7,803 by 2043
Trucks8%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$609,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-23-435 over I-85 built?

It was built in 1959, making it 66 years old in 2025.

What condition is S-23-435 over I-85 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 2023.

How much traffic does S-23-435 over I-85 carry?

About 5,100 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-23-435 over I-85?

The structure is 214 ft (65.2 m) long with a longest span of 56 ft (17.1 m) and a deck 30 ft wide.

Who owns S-23-435 over I-85?

It is owned by the State Highway Agency.