FHWA NBI 2024 Inspection record Public-domain dataset

LaSalle Dr

Carrying LaSalle Dr over SHARED USE PATH

1677 N 8 W, Cook, Illinois

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
28 t Inventory load rating Lower than 83% of rated Illinois bridges

LaSalle Dr in Cook, Illinois sits above 17% of rated Illinois bridges on inventory load rating (28 t), while its 1938 build year is earlier than 85% of Cook's recorded-year cohort (1,721 bridges).

LaSalle Dr in Cook, Illinois is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1938, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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:016970400000000

PRE-1950 · CONCRETE · SINGLE-SPAN · CULVERT-LED · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • CULVERT-LED Culvert-led
  • HEAVY-ADT Heavy ADT
  • STANDARD-LOAD Standard 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: LaSalle Dr

The LaSalle Dr bridge in Cook, Illinois carries LaSalle Dr over SHARED USE PATH. It was built in 1938, making it 88 years old today. It was last reconstructed in 2011, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 9.2 meters (30 feet) end to end. Daily traffic averages 21,500 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 culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How LaSalle Dr compares

▼ 7.5
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 1938, earlier than 1,466 of Cook's 1,721 bridges with a recorded construction year (85%), against a county median build year of 1962. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

LaSalle Dr 27.5 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).

LaSalle Dr vs every rated Illinois bridge

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

28 Top 83% higher than 17% 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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
27.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

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
1938
Last Reconstructed
2011
Material
Concrete
Number of Spans
1
Structure Length
9.2 m (30 ft)
Deck Width
36.8 m (121 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
21,500 vehicles/day
Structure Number
016970400000000

How to read this record

This page shows what the last federal inspection recorded, not whether LaSalle Dr 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 LaSalle Dr 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 LaSalle Dr?

LaSalle Dr in Cook, Illinois on the FHWA's 0–9 scale.

How often is LaSalle Dr inspected?

LaSalle Dr'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 21,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LaSalle Dr 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 LaSalle Dr?

LaSalle Dr has an NBI inventory load rating of 27.5 metric tons.

Who is responsible for maintaining LaSalle Dr?

LaSalle Dr is owned and maintained by City/Municipal Highway Agency.

How old is LaSalle Dr and does age affect safety?

LaSalle Dr was built in 1938, making it 88 years old and last reconstructed in 2011.

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

Share this inspection record

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

XFacebookLinkedInWhatsAppEmail

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.