FHWA NBI 2024 Inspection record Public-domain dataset

RAMP ON I-26 WB

Carrying RAMP ON I-26 WB over RAMP OFF I-26 EB & US 78

IN CHARLESTON, Charleston, South Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: RAMP ON I-26 WB

The RAMP ON I-26 WB bridge in Charleston, South Carolina carries RAMP ON I-26 WB over RAMP OFF I-26 EB & US 78. It was built in 1969, making it 57 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 9,350 vehicles, placing it in the moderately-trafficked tier of South Carolina bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How RAMP ON I-26 WB compares

196
Bridges in Charleston · 6 in Poor condition

Live comparison across South Carolina.

Historical Sufficiency Rating

PlainBridge-computed
61.2 / 100 - historical 50–79.9 band
Structural adequacy /55
28.7
Serviceability /30
25.7
Essentiality /15
8.7
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Overall Condition
Unrated

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1969
Material
Prestressed Concrete
Avg Daily Traffic
9,350 vehicles/day
Structure Number
000000000005477

How to read this record

This page shows what the last federal inspection recorded, not whether RAMP ON I-26 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 ON I-26 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 ON I-26 WB?

RAMP ON I-26 WB in Charleston, South Carolina on the FHWA's 0–9 scale.

How often is RAMP ON I-26 WB inspected?

RAMP ON I-26 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 9,350 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. RAMP ON I-26 WB is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for RAMP ON I-26 WB?

An inventory load rating is not recorded for RAMP ON I-26 WB.

Who is responsible for maintaining RAMP ON I-26 WB?

Ownership is not specified for RAMP ON I-26 WB in the NBI.

How old is RAMP ON I-26 WB and does age affect safety?

RAMP ON I-26 WB was built in 1969, making it 57 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.