FHWA NBI 2024 Inspection record Public-domain dataset

CH 6

Carrying CH 6 over WILEY CR

6.3 MI NW KANKAKEE, Kankakee, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor

Bridge Snapshot: CH 6

The CH 6 bridge in Kankakee, Illinois carries CH 6 over WILEY CR. It was built in 1964, making it 62 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 10.1 meters (33 feet) end to end. Daily traffic averages 750 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 2/9. The weakest component sits in critical condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

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

How CH 6 compares

352
Bridges in Kankakee · 18 in Poor condition

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
21.1 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
8.0
Essentiality /15
13.1
Special reductions
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 How the historical reference is calculated.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

Deck
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
2/9
Poor (1–4)
Overall Condition
Poor

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

Structural Details

Year Built
1964
Material
Prestressed Concrete
Number of Spans
1
Structure Length
10.1 m (33 ft)
Deck Width
7.9 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
750 vehicles/day
Structure Number
046303400000000

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in critical condition (2/9), with severe deterioration requiring urgent attention.

How to read this record

CH 6 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare CH 6 against other structures in Kankakee 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 CH 6?

CH 6 in Kankakee, Illinois has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.

How often is CH 6 inspected?

CH 6'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 750 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CH 6 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for CH 6?

An inventory load rating is not recorded for CH 6.

Who is responsible for maintaining CH 6?

CH 6 is owned and maintained by County Highway Agency.

How old is CH 6 and does age affect safety?

CH 6 was built in 1964, making it 62 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.