US Bridges

US 52 Wbl over Lynches River Swamp

PoorPosted for load

Florence County, South Carolina · 5.0MI N of Coward · Structure no. 000000000006489

Built
1974
51 years old
Condition
Poor
inspected March 2024
Type
Slab
Concrete
Length
120 ft
4 main spans
Daily traffic
7,200
2023 count
Owner
State
State Highway Agency

About this bridge

US 52 Wbl over Lynches River Swamp is a concrete slab carrying US 52 Wbl over Lynches River Swamp in Florence County, South Carolina. It was built in 1974, so it is 51 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 7,200 vehicles a day, roughly 7% of them trucks, projected to reach 12,528 by 2043. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 52 Wbl
CrossesLynches River Swamp
Location5.0MI N of Coward
RouteU.S. Route 52
Coordinates34.04577, -79.75339
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2023)
Projected traffic12,528 by 2043
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$243,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 52 Wbl over Lynches River Swamp built?

It was built in 1974, making it 51 years old in 2025.

What condition is US 52 Wbl over Lynches River Swamp in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does US 52 Wbl over Lynches River Swamp carry?

About 7,200 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 52 Wbl over Lynches River Swamp?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns US 52 Wbl over Lynches River Swamp?

It is owned by the State Highway Agency.