US Bridges

S-15-45/ROUND O RD over Little Chessey Creek

Good

Colleton County, South Carolina · 3.0 MI W Cottageville · Structure no. 000000000002706

Built
2006
19 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
1,350
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-45/ROUND O RD over Little Chessey Creek is a concrete continuous slab carrying S-15-45/ROUND O RD over Little Chessey Creek in Colleton County, South Carolina. It was built in 2006, so it is 19 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 1,350 vehicles a day, roughly 8% of them trucks, projected to reach 1,971 by 2043. The structure is 75 ft (22.9 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesS-15-45/ROUND O RD
CrossesLittle Chessey Creek
Location3.0 MI W Cottageville
RouteState Highway 45
Coordinates32.91477, -80.52893
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2023)
Projected traffic1,971 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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-15-45/ROUND O RD over Little Chessey Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is S-15-45/ROUND O RD over Little Chessey 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 February 2025.

How much traffic does S-15-45/ROUND O RD over Little Chessey Creek carry?

About 1,350 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-15-45/ROUND O RD over Little Chessey Creek?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns S-15-45/ROUND O RD over Little Chessey Creek?

It is owned by the State Highway Agency.