US Bridges

S-45-44 over Kingstree Swamp Canal

Good

Williamsburg County, South Carolina · 2.0MI NW Kingstree · Structure no. 000000000007756

Built
1984
41 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
90 ft
3 main spans
Daily traffic
750
2023 count
Owner
State
State Highway Agency

About this bridge

S-45-44 over Kingstree Swamp Canal is a concrete slab carrying S-45-44 over Kingstree Swamp Canal in Williamsburg County, South Carolina. It was built in 1984, so it is 41 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 750 vehicles a day, roughly 12% of them trucks, projected to reach 1,043 by 2043. The structure is 90 ft (27.4 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS-45-44
CrossesKingstree Swamp Canal
Location2.0MI NW Kingstree
RouteState Highway 44
CountyWilliamsburg County
StateSouth Carolina
Coordinates33.75823, -79.8176
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic1,043 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-45-44 over Kingstree Swamp Canal built?

It was built in 1984, making it 41 years old in 2025.

What condition is S-45-44 over Kingstree Swamp Canal 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 September 2023.

How much traffic does S-45-44 over Kingstree Swamp Canal carry?

About 750 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is S-45-44 over Kingstree Swamp Canal?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns S-45-44 over Kingstree Swamp Canal?

It is owned by the State Highway Agency.