FHWA NBI 2024 Inspection record Public-domain dataset

55TH ST WB GARFLD

Carrying 55TH ST WB GARFLD over I- 90 94 RYAN & CTA

AT 55TH ST, Cook, Illinois

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
47 t Inventory load rating Higher than 89% of rated Illinois bridges

55TH ST WB GARFLD in Cook, Illinois sits above 89% of rated Illinois bridges on inventory load rating (47 t), while its 1962 build year is earlier than 50% of Cook's recorded-year cohort (1,721 bridges).

55TH ST WB GARFLD in Cook, Illinois is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1962, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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:016115300000000

INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · SUPER-LED · HEAVY-ADT · HEAVY-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • LONG-SPAN-RUN 5 spans
  • SUPER-LED Superstructure-led
  • HEAVY-ADT Heavy ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

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: 55TH ST WB GARFLD

The 55TH ST WB GARFLD bridge in Cook, Illinois carries 55TH ST WB GARFLD over I- 90 94 RYAN & CTA. It was built in 1962, making it 64 years old today. It was last reconstructed in 1999, extending its service life. The structure is built primarily of steel continuous and spans 5 sections, stretching 83.3 meters (273 feet) end to end. Daily traffic averages 22,900 vehicles, placing it in the heavily-trafficked tier of Illinois bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How 55TH ST WB GARFLD compares

▲ 12.0
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 1962, earlier than 859 of Cook's 1,721 bridges with a recorded construction year (50%), against a county median build year of 1962.

55TH ST WB GARFLD 47.0 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).

55TH ST WB GARFLD vs every rated Illinois bridge

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

47 Top 11% higher than 89% 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
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
47.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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
1962
Last Reconstructed
1999
Material
Steel Continuous
Number of Spans
5
Structure Length
83.3 m (273 ft)
Deck Width
20.5 m (67 ft)
Owner
State Highway Agency
Avg Daily Traffic
22,900 vehicles/day
Structure Number
016115300000000

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether 55TH ST WB GARFLD 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 55TH ST WB GARFLD 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 55TH ST WB GARFLD?

55TH ST WB GARFLD in Cook, Illinois has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is 55TH ST WB GARFLD inspected?

55TH ST WB GARFLD'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 22,900 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 55TH ST WB GARFLD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 55TH ST WB GARFLD?

55TH ST WB GARFLD has an NBI inventory load rating of 47.0 metric tons.

Who is responsible for maintaining 55TH ST WB GARFLD?

55TH ST WB GARFLD is owned and maintained by State Highway Agency.

How old is 55TH ST WB GARFLD and does age affect safety?

55TH ST WB GARFLD was built in 1962, making it 64 years old and last reconstructed in 1999.

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.