US Bridges

S-18-230/LADSON RD over Chandler Bridge Creek

Good

Dorchester County, South Carolina · 4 MI SE Summerville · Structure no. 000000000002514

Built
2004
21 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
30,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-18-230/LADSON RD over Chandler Bridge Creek is a concrete continuous slab carrying S-18-230/LADSON RD over Chandler Bridge Creek in Dorchester County, South Carolina. It was built in 2004, so it is 21 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 30,600 vehicles a day, roughly 3% of them trucks, projected to reach 37,332 by 2043. The structure is 90 ft (27.4 m) long and 86 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-18-230/LADSON RD
CrossesChandler Bridge Creek
Location4 MI SE Summerville
RouteState Highway 230
Coordinates32.96516, -80.15088
Functional classUrban Minor Arterial

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 inspectionApril 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width86 ft (26.2 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,600 (2023)
Projected traffic37,332 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-18-230/LADSON RD over Chandler Bridge Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is S-18-230/LADSON RD over Chandler Bridge 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 April 2023.

How much traffic does S-18-230/LADSON RD over Chandler Bridge Creek carry?

About 30,600 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-18-230/LADSON RD over Chandler Bridge Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 86 ft wide.

Who owns S-18-230/LADSON RD over Chandler Bridge Creek?

It is owned by the State Highway Agency.