US Bridges

Ramp on Sc 30 EB over Vegetative Right of Way

Fair

Charleston County, South Carolina · Charleston · Structure no. 000000000008973

Built
1996
29 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
430 ft
4 main spans
Daily traffic
21,000
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp on Sc 30 EB over Vegetative Right of Way is a prestressed concrete continuous box beam or girders - single or spread carrying Ramp on Sc 30 EB over Vegetative Right of Way in Charleston County, South Carolina. It was built in 1996, so it is 29 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 21,000 vehicles a day, roughly 3% of them trucks, projected to reach 57,540 by 2043. The structure is 430 ft (131.1 m) long and 29 ft wide.

CarriesRamp on Sc 30 EB
CrossesVegetative Right of Way
LocationCharleston
RouteState Highway 61
Coordinates32.77459, -79.95706
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.5 US tons
Inventory rating32.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length430 ft (131.1 m)
Longest span121 ft (36.9 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2023)
Projected traffic57,540 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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$1.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1996, making it 29 years old in 2025.

What condition is Ramp on Sc 30 EB 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 EB over Vegetative Right of Way carry?

About 21,000 vehicles per day (2023 count), of which roughly 3% are trucks.

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

The structure is 430 ft (131.1 m) long with a longest span of 121 ft (36.9 m) and a deck 29 ft wide.

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

It is owned by the State Highway Agency.