US Bridges

S-2-1665 over Over I-20

Fair

Aiken County, South Carolina · 12.0 MI NE Aiken · Structure no. 000000000005657

Built
1970
55 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
272 ft
4 main spans
Daily traffic
275
2023 count
Owner
State
State Highway Agency

About this bridge

S-2-1665 over Over I-20 is a steel stringer/multi-beam or girder carrying S-2-1665 over Over I-20 in Aiken County, South Carolina. It was built in 1970, so it is 55 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 275 vehicles a day, roughly 5% of them trucks, projected to reach 352 by 2043. The structure is 272 ft (82.9 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS-2-1665
CrossesOver I-20
Location12.0 MI NE Aiken
RouteState Highway 1665
Coordinates33.70368, -81.59966
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length272 ft (82.9 m)
Longest span90 ft (27.4 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic352 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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-2-1665 over Over I-20 built?

It was built in 1970, making it 55 years old in 2025.

What condition is S-2-1665 over 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 February 2025.

How much traffic does S-2-1665 over Over I-20 carry?

About 275 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-2-1665 over Over I-20?

The structure is 272 ft (82.9 m) long with a longest span of 90 ft (27.4 m) and a deck 37 ft wide.

Who owns S-2-1665 over Over I-20?

It is owned by the State Highway Agency.