US Bridges

S-15-42/CAYCE RD over Soil Conservation Canal

Fair

Colleton County, South Carolina · 17.2 MI NW Walterboro · Structure no. 000000000002702

Built
1958
67 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
43 ft
3 main spans
Daily traffic
50
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-42/CAYCE RD over Soil Conservation Canal is a concrete slab carrying S-15-42/CAYCE RD over Soil Conservation Canal in Colleton County, South Carolina. It was built in 1958, so it is 67 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 50 vehicles a day, projected to reach 70 by 2043. The structure is 43 ft (13.1 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesS-15-42/CAYCE RD
CrossesSoil Conservation Canal
Location17.2 MI NW Walterboro
RouteState Highway 42
Coordinates32.99583, -80.94417
Functional classRural Minor 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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length43 ft (13.1 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-15-42/CAYCE RD over Soil Conservation Canal built?

It was built in 1958, making it 67 years old in 2025.

What condition is S-15-42/CAYCE RD over Soil Conservation Canal 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 January 2024.

How much traffic does S-15-42/CAYCE RD over Soil Conservation Canal carry?

About 50 vehicles per day (2023 count).

How long is S-15-42/CAYCE RD over Soil Conservation Canal?

The structure is 43 ft (13.1 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns S-15-42/CAYCE RD over Soil Conservation Canal?

It is owned by the State Highway Agency.