US Bridges

S-5-84 over Lemon Swamp

Fair

Bamberg County, South Carolina · 6.2MI NE Ehrhardt · Structure no. 000000000007199

Built
1979
46 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
90 ft
6 main spans
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-5-84 over Lemon Swamp is a concrete slab carrying S-5-84 over Lemon Swamp in Bamberg County, South Carolina. It was built in 1979, so it is 46 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 90 ft (27.4 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesS-5-84
CrossesLemon Swamp
Location6.2MI NE Ehrhardt
RouteState Highway 84
Coordinates33.17278, -80.96315
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.2 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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-5-84 over Lemon Swamp built?

It was built in 1979, making it 46 years old in 2025.

What condition is S-5-84 over Lemon Swamp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does S-5-84 over Lemon Swamp carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-5-84 over Lemon Swamp?

The structure is 90 ft (27.4 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-5-84 over Lemon Swamp?

It is owned by the State Highway Agency.