US Bridges

S-21-112 over I-95

Fair

Florence County, South Carolina · 2MI W Florence · Structure no. 000000000005057

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
280 ft
4 main spans
Daily traffic
8,300
2023 count
Owner
State
State Highway Agency

About this bridge

S-21-112 over I-95 is a steel stringer/multi-beam or girder carrying S-21-112 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 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 8,300 vehicles a day, roughly 3% of them trucks, projected to reach 4,980 by 2043. The structure is 280 ft (85.3 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-21-112
CrossesI-95
Location2MI W Florence
RouteState Highway 112
Coordinates34.19056, -79.84825
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 rating59.6 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length280 ft (85.3 m)
Longest span87 ft (26.5 m)
Deck width38 ft (11.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2023)
Projected traffic4,980 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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-21-112 over I-95 built?

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

What condition is S-21-112 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 March 2023.

How much traffic does S-21-112 over I-95 carry?

About 8,300 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-21-112 over I-95?

The structure is 280 ft (85.3 m) long with a longest span of 87 ft (26.5 m) and a deck 38 ft wide.

Who owns S-21-112 over I-95?

It is owned by the State Highway Agency.