US Bridges

Ramp on Sc 30 WB over S-30EB/LOCKWOOD DR

Good

Charleston County, South Carolina · City of Charleston · Structure no. 000000000008621

Built
1993
32 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
699 ft
5 main spans
Daily traffic
30,700
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp on Sc 30 WB over S-30EB/LOCKWOOD DR is a prestressed concrete continuous box beam or girders - single or spread carrying Ramp on Sc 30 WB over S-30EB/LOCKWOOD DR in Charleston County, South Carolina. It was built in 1993, so it is 32 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 30,700 vehicles a day, roughly 3% of them trucks, projected to reach 84,118 by 2043. The structure is 699 ft (213.2 m) long and 30 ft wide.

CarriesRamp on Sc 30 WB
CrossesS-30EB/LOCKWOOD DR
LocationCity of Charleston
RouteState Highway 30
Coordinates32.78143, -79.95458
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+4 approach)
Design loadHS 20
Structure length699 ft (213.2 m)
Longest span132 ft (40.3 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,700 (2023)
Projected traffic84,118 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp on Sc 30 WB over S-30EB/LOCKWOOD DR built?

It was built in 1993, making it 32 years old in 2025.

What condition is Ramp on Sc 30 WB over S-30EB/LOCKWOOD DR 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 July 2024.

How much traffic does Ramp on Sc 30 WB over S-30EB/LOCKWOOD DR carry?

About 30,700 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Ramp on Sc 30 WB over S-30EB/LOCKWOOD DR?

The structure is 699 ft (213.2 m) long with a longest span of 132 ft (40.3 m) and a deck 30 ft wide.

Who owns Ramp on Sc 30 WB over S-30EB/LOCKWOOD DR?

It is owned by the State Highway Agency.