US Bridges

S-15-40 over Chessy Creek

Good

Colleton County, South Carolina · 1.8 MI SW Cottageville · Structure no. 000000000001812

Built
2003
22 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-40 over Chessy Creek is a concrete continuous slab carrying S-15-40 over Chessy Creek in Colleton County, South Carolina. It was built in 2003, so it is 22 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,200 vehicles a day, roughly 9% of them trucks, projected to reach 1,752 by 2043. The structure is 66 ft (20.1 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesS-15-40
CrossesChessy Creek
Location1.8 MI SW Cottageville
RouteState Highway 40
CountyColleton County
StateSouth Carolina
Coordinates32.91917, -80.50237
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating66 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length66 ft (20.1 m)
Longest span22 ft (6.7 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,752 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-15-40 over Chessy Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is S-15-40 over Chessy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does S-15-40 over Chessy Creek carry?

About 1,200 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S-15-40 over Chessy Creek?

The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.7 m) and a deck 36 ft wide.

Who owns S-15-40 over Chessy Creek?

It is owned by the State Highway Agency.