US Bridges

S-8-787 over Caton Creek

Fair

Berkeley County, South Carolina · 8 MI SW Moncks Corner · Structure no. 000000000006430

Built
1974
51 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
350
2023 count
Owner
State
State Highway Agency

About this bridge

S-8-787 over Caton Creek is a concrete slab carrying S-8-787 over Caton Creek in Berkeley County, South Carolina. It was built in 1974, so it is 51 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 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 448 by 2043. The structure is 75 ft (22.9 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesS-8-787
CrossesCaton Creek
Location8 MI SW Moncks Corner
RouteState Highway 787
Coordinates33.18194, -80.17444
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.3 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 10
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic448 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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-8-787 over Caton Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is S-8-787 over Caton Creek 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 2023.

How much traffic does S-8-787 over Caton Creek carry?

About 350 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-8-787 over Caton Creek?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-8-787 over Caton Creek?

It is owned by the State Highway Agency.