FHWA NBI 2024 Inspection record Public-domain dataset

MAC GILLIS DR

Carrying MAC GILLIS DR over SQUAW CREEK

0.1 MI S IL 134, Lake, Illinois

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating Lower than 76% of rated Illinois bridges

MAC GILLIS DR in Lake, Illinois sits above 24% of rated Illinois bridges on inventory load rating (32 t), while its 2016 build year is earlier than 4% of Lake's recorded-year cohort (251 bridges).

MAC GILLIS DR in Lake, Illinois is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 2016, it carries 3 rated components 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:049770100000000

POST-2000 · PRESTRESS · SINGLE-SPAN · DECK-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • DECK-LED Deck-led
  • ARTERIAL-ADT Arterial 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: MAC GILLIS DR

The MAC GILLIS DR bridge in Lake, Illinois carries MAC GILLIS DR over SQUAW CREEK. It was built in 2016, making it 10 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 16.6 meters (54 feet) end to end. Daily traffic averages 1,250 vehicles, placing it in the moderately-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 6/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How MAC GILLIS DR compares

▼ 2.6
Load rating vs Illinois average (35.0 t; 26,904 of 26,928 rated)
251
Bridges in Lake · 25 in Poor condition

Age against the county: built in 2016, earlier than 10 of Lake's 251 bridges with a recorded construction year (4%), against a county median build year of 1977. This is one of the newer structures in its county.

MAC GILLIS DR 32.4 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).

MAC GILLIS DR vs every rated Illinois bridge

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

32 Top 76% higher than 24% 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
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
32.4 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.

Lake inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 251 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
2016
Material
Prestressed Concrete
Number of Spans
1
Structure Length
16.6 m (54 ft)
Deck Width
12.2 m (40 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,250 vehicles/day
Structure Number
049770100000000

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • At 8/9, 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 MAC GILLIS 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 MAC GILLIS DR against other structures in Lake 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 MAC GILLIS DR?

MAC GILLIS DR in Lake, Illinois has a deck rating of 6/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is MAC GILLIS DR inspected?

MAC GILLIS 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 1,250 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MAC GILLIS 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 MAC GILLIS DR?

MAC GILLIS DR has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining MAC GILLIS DR?

MAC GILLIS DR is owned and maintained by City/Municipal Highway Agency.

How old is MAC GILLIS DR and does age affect safety?

MAC GILLIS DR was built in 2016, making it 10 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

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.