US Bridges

I-20 over S-32-1065 & RR NS

Good

Lexington County, South Carolina · 2 MI SE of Lexington · Structure no. 000000000010217

Built
2021
4 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
67,900
2023 count
Owner
State
State Highway Agency

About this bridge

I-20 over S-32-1065 & RR NS is a prestressed concrete stringer/multi-beam or girder carrying I-20 over S-32-1065 & RR NS in Lexington County, South Carolina. It was built in 2021, so it is 4 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 67,900 vehicles a day, roughly 20% of them trucks, projected to reach 84,196 by 2043. The structure is 135 ft (41.2 m) long and 115 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-20
CrossesS-32-1065 & RR NS
Location2 MI SE of Lexington
RouteInterstate 20
Coordinates33.97312, -81.1972
Functional classUrban Principal Arterial - Interstate

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length135 ft (41.2 m)
Longest span135 ft (41.1 m)
Deck width115 ft (35.1 m)
Roadway width110 ft (33.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67,900 (2023)
Projected traffic84,196 by 2043
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-20 over S-32-1065 & RR NS built?

It was built in 2021, making it 4 years old in 2025.

What condition is I-20 over S-32-1065 & RR NS 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 December 2023.

How much traffic does I-20 over S-32-1065 & RR NS carry?

About 67,900 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is I-20 over S-32-1065 & RR NS?

The structure is 135 ft (41.2 m) long with a longest span of 135 ft (41.1 m) and a deck 115 ft wide.

Who owns I-20 over S-32-1065 & RR NS?

It is owned by the State Highway Agency.