RAMP OFF I-526 WB
Carrying RAMP OFF I-526 WB over TRIB TO HOBCAW CREEK
NEAR MT. PLEASANT, Charleston, South Carolina
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: RAMP OFF I-526 WB
The RAMP OFF I-526 WB bridge in Charleston, South Carolina carries RAMP OFF I-526 WB over TRIB TO HOBCAW CREEK. It was built in 1990, making it 36 years old today. The structure is built primarily of concrete continuous and spans 13 sections, stretching 118.9 meters (390 feet) end to end. Daily traffic averages 10,800 vehicles, placing it in the heavily-trafficked tier of South Carolina bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 38.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How RAMP OFF I-526 WB compares
Live comparison across South Carolina.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1990
- Material
- Concrete Continuous
- Number of Spans
- 13
- Structure Length
- 118.9 m (390 ft)
- Deck Width
- 10.7 m (35 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 10,800 vehicles/day
- Structure Number
- 000000000008331
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether RAMP OFF I-526 WB is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare RAMP OFF I-526 WB against other structures in Charleston and across South Carolina. South Carolina bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for RAMP OFF I-526 WB?
RAMP OFF I-526 WB in Charleston, South Carolina has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is RAMP OFF I-526 WB inspected?
RAMP OFF I-526 WB's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 10,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. RAMP OFF I-526 WB is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for RAMP OFF I-526 WB?
RAMP OFF I-526 WB has an NBI inventory load rating of 38.2 metric tons.
Who is responsible for maintaining RAMP OFF I-526 WB?
RAMP OFF I-526 WB is owned and maintained by State Highway Agency.
How old is RAMP OFF I-526 WB and does age affect safety?
RAMP OFF I-526 WB was built in 1990, making it 36 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.