FHWA NBI 2024 Inspection record Public-domain dataset

RIDGE AVENUE

Carrying RIDGE AVENUE over CTA SKOKIE SWIFT

0.18 M N HOWARD, Cook, Illinois

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
31 t Inventory load rating Lower than 79% of rated Illinois bridges

RIDGE AVENUE in Cook, Illinois is rated Good in the FHWA's 2024 National Bridge Inventory.

Built in 1995, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure IL:016695700000000

LATE-CENTURY · STEEL · SINGLE-SPAN · TIED-CTRL · HEAVY-ADT · STANDARD-LOAD · CAT-GOOD

  • LATE-CENTURY 1980–1999
  • STEEL Steel
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • HEAVY-ADT Heavy ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: RIDGE AVENUE

The RIDGE AVENUE bridge in Cook, Illinois carries RIDGE AVENUE over CTA SKOKIE SWIFT. It was built in 1995, making it 31 years old today. The structure is built primarily of steel and spans 1 section, stretching 19.2 meters (63 feet) end to end. Daily traffic averages 14,100 vehicles, placing it in the heavily-trafficked tier of Illinois bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.

How RIDGE AVENUE compares

▼ 4.2
Load rating vs Illinois average (35.0 t; 26,904 of 26,928 rated)
1,721
Bridges in Cook · 237 in Poor condition

Age against the county: built in 1995, earlier than 385 of Cook's 1,721 bridges with a recorded construction year (22%), against a county median build year of 1962. This is one of the newer structures in its county.

RIDGE AVENUE 30.8 t
Illinois average (26,904 of 26,928 rated) 35.0 t

Live comparison across Illinois bridges with a recorded inventory load rating (26,904 of 26,928 rated).

RIDGE AVENUE vs every rated Illinois bridge

Inventory load rating (metric tons), FHWA NBI, this state

31 Top 79% higher than 21% of 26,904 bridges

rated Illinois bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
30.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Cook inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 1,721 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1995
Material
Steel
Number of Spans
1
Structure Length
19.2 m (63 ft)
Deck Width
22.3 m (73 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
14,100 vehicles/day
Structure Number
016695700000000

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether RIDGE AVENUE 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 RIDGE AVENUE against other structures in Cook 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 RIDGE AVENUE?

RIDGE AVENUE in Cook, Illinois has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is RIDGE AVENUE inspected?

RIDGE AVENUE'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 14,100 vehicles per day.

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

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

What is the inventory load rating for RIDGE AVENUE?

RIDGE AVENUE has an NBI inventory load rating of 30.8 metric tons.

Who is responsible for maintaining RIDGE AVENUE?

RIDGE AVENUE is owned and maintained by City/Municipal Highway Agency.

How old is RIDGE AVENUE and does age affect safety?

RIDGE AVENUE was built in 1995, making it 31 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.