IL3NB-255WB Ramp A
Carrying IL3NB-255WB Ramp A over I 255 NB - Ramp D
NORTH OF COLUMBIA, Monroe, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: IL3NB-255WB Ramp A
The IL3NB-255WB Ramp A bridge in Monroe, Illinois carries IL3NB-255WB Ramp A over I 255 NB - Ramp D. It was built in 1982, making it 44 years old today. The structure is built primarily of steel. Daily traffic averages 51,700 vehicles, placing it in the heavily-trafficked tier of Illinois bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How IL3NB-255WB Ramp A compares
Live comparison across Illinois.
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 How the historical reference is calculated.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
- 1982
- Material
- Steel
- Avg Daily Traffic
- 51,700 vehicles/day
- Structure Number
- 067002500000000
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 IL3NB-255WB Ramp A 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 IL3NB-255WB Ramp A against other structures in Monroe and across Illinois. Illinois 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 IL3NB-255WB Ramp A?
IL3NB-255WB Ramp A in Monroe, Illinois on the FHWA's 0–9 scale.
How often is IL3NB-255WB Ramp A inspected?
IL3NB-255WB Ramp A'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 51,700 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. IL3NB-255WB Ramp A 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 IL3NB-255WB Ramp A?
An inventory load rating is not recorded for IL3NB-255WB Ramp A.
Who is responsible for maintaining IL3NB-255WB Ramp A?
Ownership is not specified for IL3NB-255WB Ramp A in the NBI.
How old is IL3NB-255WB Ramp A and does age affect safety?
IL3NB-255WB Ramp A was built in 1982, making it 44 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.