US Bridges

I-20 WB over I-95

Fair

Florence County, South Carolina · 4.7 MI W of Florence · Structure no. 000000000005039

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
284 ft
4 main spans
Daily traffic
15,750
2023 count
Owner
State
State Highway Agency

About this bridge

I-20 WB over I-95 is a steel stringer/multi-beam or girder carrying I-20 WB over I-95 in Florence County, South Carolina. It was built in 1967, so it is 58 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 15,750 vehicles a day, roughly 14% of them trucks, projected to reach 10,868 by 2043. The structure is 284 ft (86.6 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-20 WB
CrossesI-95
Location4.7 MI W of Florence
RouteInterstate 20
Coordinates34.19355, -79.84392
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length284 ft (86.6 m)
Longest span86 ft (26.2 m)
Deck width47 ft (14.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,750 (2023)
Projected traffic10,868 by 2043
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 WB over I-95 built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-20 WB over I-95 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 April 2024.

How much traffic does I-20 WB over I-95 carry?

About 15,750 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-20 WB over I-95?

The structure is 284 ft (86.6 m) long with a longest span of 86 ft (26.2 m) and a deck 47 ft wide.

Who owns I-20 WB over I-95?

It is owned by the State Highway Agency.