CHIGO NORTH WESTER
Carrying CHIGO NORTH WESTER over ILL 176
ILL 176 & CNWRR, McHenry, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CHIGO NORTH WESTER
The CHIGO NORTH WESTER bridge in McHenry, Illinois carries CHIGO NORTH WESTER over ILL 176. It was built in 1940, making it 86 years old today. The structure is built primarily of steel. Daily traffic averages 12,800 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 CHIGO NORTH WESTER compares
Live comparison across Illinois.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1940
- Material
- Steel
- Avg Daily Traffic
- 12,800 vehicles/day
- Structure Number
- 056004500000000
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 CHIGO NORTH WESTER 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 CHIGO NORTH WESTER against other structures in McHenry 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 CHIGO NORTH WESTER?
CHIGO NORTH WESTER in McHenry, Illinois on the FHWA's 0–9 scale.
How often is CHIGO NORTH WESTER inspected?
CHIGO NORTH WESTER'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 12,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CHIGO NORTH WESTER 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 CHIGO NORTH WESTER?
An inventory load rating is not recorded for CHIGO NORTH WESTER.
Who is responsible for maintaining CHIGO NORTH WESTER?
Ownership is not specified for CHIGO NORTH WESTER in the NBI.
How old is CHIGO NORTH WESTER and does age affect safety?
CHIGO NORTH WESTER was built in 1940, making it 86 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.