US Bridges

US 52 WB over Lynches River Swamp

Poor

Florence County, South Carolina · 4.0MI N of Coward · Structure no. 000000000001705

Built
1950
75 years old, rebuilt 1976
Condition
Poor
inspected March 2024
Type
Tee Beam
Concrete
Length
90 ft
3 main spans
Daily traffic
7,200
2023 count
Owner
State
State Highway Agency

About this bridge

US 52 WB over Lynches River Swamp is a concrete tee beam carrying US 52 WB over Lynches River Swamp in Florence County, South Carolina. It was built in 1950 and reconstructed in 1976, so it is 75 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.

It carries about 7,200 vehicles a day, roughly 7% of them trucks, projected to reach 12,528 by 2043. The structure is 90 ft (27.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 52 WB
CrossesLynches River Swamp
Location4.0MI N of Coward
RouteU.S. Route 52
Coordinates34.03729, -79.75262
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no 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 rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length90 ft (27.4 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$191,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 52 WB over Lynches River Swamp built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1976.

What condition is US 52 WB 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 WB over Lynches River Swamp carry?

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

How long is US 52 WB over Lynches River Swamp?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns US 52 WB over Lynches River Swamp?

It is owned by the State Highway Agency.