US Bridges

S-32-106 over I-20

Fair

Lexington County, South Carolina · 3 MI E Lexington · Structure no. 000000000004370

Built
1964
61 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
4 main spans
Daily traffic
10,700
2023 count
Owner
State
State Highway Agency

About this bridge

S-32-106 over I-20 is a prestressed concrete stringer/multi-beam or girder carrying S-32-106 over I-20 in Lexington County, South Carolina. It was built in 1964, so it is 61 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 5 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 10,700 vehicles a day, roughly 2% of them trucks, projected to reach 17,227 by 2043. The structure is 250 ft (76.2 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-32-106
CrossesI-20
Location3 MI E Lexington
RouteState Highway 106
Coordinates33.99207, -81.18335
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
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 rating61.4 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length250 ft (76.2 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,700 (2023)
Projected traffic17,227 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$923,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-32-106 over I-20 built?

It was built in 1964, making it 61 years old in 2025.

What condition is S-32-106 over I-20 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 November 2024.

How much traffic does S-32-106 over I-20 carry?

About 10,700 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-32-106 over I-20?

The structure is 250 ft (76.2 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns S-32-106 over I-20?

It is owned by the State Highway Agency.