US Bridges

S-14-40 over Lakewood Dam

Fair

Clarendon County, South Carolina · 7MI NE Manning · Structure no. 000000000006642

Built
1975
50 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
800
2023 count
Owner
State
State Highway Agency

About this bridge

S-14-40 over Lakewood Dam is a concrete slab carrying S-14-40 over Lakewood Dam in Clarendon County, South Carolina. It was built in 1975, so it is 50 years old, older 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 5 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 800 vehicles a day, roughly 6% of them trucks, projected to reach 1,168 by 2043. The structure is 60 ft (18.3 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS-14-40
CrossesLakewood Dam
Location7MI NE Manning
RouteState Highway 40
Coordinates33.73176, -80.09255
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.4 US tons
Inventory rating14.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic1,168 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-14-40 over Lakewood Dam built?

It was built in 1975, making it 50 years old in 2025.

What condition is S-14-40 over Lakewood Dam 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 September 2024.

How much traffic does S-14-40 over Lakewood Dam carry?

About 800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-14-40 over Lakewood Dam?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 34 ft wide.

Who owns S-14-40 over Lakewood Dam?

It is owned by the State Highway Agency.