US Bridges

S-21-112 over Jefferies Creek

Good

Florence County, South Carolina · 1MI W Florence · Structure no. 000000000008841

Built
1995
30 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
15,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-21-112 over Jefferies Creek is a concrete continuous slab carrying S-21-112 over Jefferies Creek in Florence County, South Carolina. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,600 vehicles a day, roughly 2% of them trucks, projected to reach 9,360 by 2043. The structure is 90 ft (27.4 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-21-112
CrossesJefferies Creek
Location1MI W Florence
RouteState Highway 112
Coordinates34.18611, -79.85167
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,600 (2023)
Projected traffic9,360 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-21-112 over Jefferies Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is S-21-112 over Jefferies Creek 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 March 2023.

How much traffic does S-21-112 over Jefferies Creek carry?

About 15,600 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-21-112 over Jefferies Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns S-21-112 over Jefferies Creek?

It is owned by the State Highway Agency.