US Bridges

Ramp on Sc 30 WB over Vegetative Right of Way

Fair

Charleston County, South Carolina · City of Charleston · Structure no. 000000000008620

Built
1993
32 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
530 ft
2 main spans
Daily traffic
4,200
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp on Sc 30 WB over Vegetative Right of Way is a prestressed concrete continuous box beam or girders - single or spread carrying Ramp on Sc 30 WB over Vegetative Right of Way 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 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 4,200 vehicles a day, projected to reach 6,804 by 2043. The structure is 530 ft (161.5 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp on Sc 30 WB
CrossesVegetative Right of Way
LocationCity of Charleston
RouteState Highway 30
CountyCharleston County
StateSouth Carolina
Coordinates32.78197, -79.95362
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating41.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+11 approach)
Design loadHS 20
Structure length530 ft (161.5 m)
Longest span64 ft (19.5 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2023)
Projected traffic6,804 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp on Sc 30 WB over Vegetative Right of Way built?

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

What condition is Ramp on Sc 30 WB over Vegetative Right of Way 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 July 2024.

How much traffic does Ramp on Sc 30 WB over Vegetative Right of Way carry?

About 4,200 vehicles per day (2023 count).

How long is Ramp on Sc 30 WB over Vegetative Right of Way?

The structure is 530 ft (161.5 m) long with a longest span of 64 ft (19.5 m) and a deck 30 ft wide.

Who owns Ramp on Sc 30 WB over Vegetative Right of Way?

It is owned by the State Highway Agency.