US Bridges

Ramp on I-526 EB over SC7/SAM Rittenberg Blvd

Good

Charleston County, South Carolina · In Charleston · Structure no. 000000000009403

Built
1999
26 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
7,300
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp on I-526 EB over SC7/SAM Rittenberg Blvd is a prestressed concrete stringer/multi-beam or girder carrying Ramp on I-526 EB over SC7/SAM Rittenberg Blvd in Charleston County, South Carolina. It was built in 1999, so it is 26 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 7,300 vehicles a day, roughly 9% of them trucks, projected to reach 16,717 by 2043. The structure is 127 ft (38.8 m) long and 31 ft wide.

CarriesRamp on I-526 EB
CrossesSC7/SAM Rittenberg Blvd
LocationIn Charleston
RouteInterstate 526
Coordinates32.79177, -80.03206
Functional classUrban Principal Arterial - Interstate

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length127 ft (38.8 m)
Longest span127 ft (38.8 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,300 (2023)
Projected traffic16,717 by 2043
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-526 EB over SC7/SAM Rittenberg Blvd built?

It was built in 1999, making it 26 years old in 2025.

What condition is Ramp on I-526 EB over SC7/SAM Rittenberg Blvd 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 June 2024.

How much traffic does Ramp on I-526 EB over SC7/SAM Rittenberg Blvd carry?

About 7,300 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ramp on I-526 EB over SC7/SAM Rittenberg Blvd?

The structure is 127 ft (38.8 m) long with a longest span of 127 ft (38.8 m) and a deck 31 ft wide.

Who owns Ramp on I-526 EB over SC7/SAM Rittenberg Blvd?

It is owned by the State Highway Agency.