I-520 WB
Carrying I-520 WB over S-365
NORTH AUGUSTA, Aiken, South Carolina
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: I-520 WB
The I-520 WB bridge in Aiken, South Carolina carries I-520 WB over S-365. It was built in 2009, making it 17 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 850 vehicles, placing it in the lower-traffic 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 I-520 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 How the historical reference is calculated.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
- 2009
- Material
- Prestressed Concrete
- Avg Daily Traffic
- 850 vehicles/day
- Structure Number
- 000000000009864
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether I-520 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 I-520 WB against other structures in Aiken 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 I-520 WB?
I-520 WB in Aiken, South Carolina on the FHWA's 0–9 scale.
How often is I-520 WB inspected?
I-520 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 850 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. I-520 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 I-520 WB?
An inventory load rating is not recorded for I-520 WB.
Who is responsible for maintaining I-520 WB?
Ownership is not specified for I-520 WB in the NBI.
How old is I-520 WB and does age affect safety?
I-520 WB was built in 2009, making it 17 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.