US Bridges

S-5-12 over Lemon Swamp

PoorPosted for load

Bamberg County, South Carolina · 4.5MI SW Bamberg · Structure no. 000000000002130

Built
1955
70 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete
Length
42 ft
3 main spans
Daily traffic
175
2023 count
Owner
State
State Highway Agency

About this bridge

S-5-12 over Lemon Swamp is a concrete slab carrying S-5-12 over Lemon Swamp in Bamberg County, South Carolina. It was built in 1955, so it is 70 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 175 vehicles a day, roughly 16% of them trucks, projected to reach 256 by 2043. The structure is 42 ft (12.8 m) long and 26 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesS-5-12
CrossesLemon Swamp
Location4.5MI SW Bamberg
RouteState Highway 12
Coordinates33.25294, -81.09877
Functional classRural Major Collector

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 inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2023)
Projected traffic256 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$258,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-5-12 over Lemon Swamp built?

It was built in 1955, making it 70 years old in 2025.

What condition is S-5-12 over Lemon 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 April 2024.

How much traffic does S-5-12 over Lemon Swamp carry?

About 175 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is S-5-12 over Lemon Swamp?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns S-5-12 over Lemon Swamp?

It is owned by the State Highway Agency.