FHWA NBI 2024 Inspection record Public-domain dataset

MAPLE AVE

Carrying MAPLE AVE over N SHORE CHANNEL

WILMETTE, Cook, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: MAPLE AVE

The MAPLE AVE bridge in Cook, Illinois carries MAPLE AVE over N SHORE CHANNEL. It was built in 1909, making it 117 years old today. The structure is built primarily of steel and spans 3 sections, stretching 43.9 meters (144 feet) end to end. Daily traffic averages 400 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by Other Local Agencies.

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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 30.1 metric tons.

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

How MAPLE AVE compares

▼ 4.5
Load rating vs Illinois average (34.6 t)
Bottom 20%
Lower load rating than 80% of Illinois bridges
2,185
Bridges in Cook · 144 in Poor condition
MAPLE AVE 30.1 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
76.0 / 100 - historical 50–79.9 band
Structural adequacy /55
43.9
Serviceability /30
17.2
Essentiality /15
15.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
30.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1909
Material
Steel
Number of Spans
3
Structure Length
43.9 m (144 ft)
Deck Width
11.8 m (39 ft)
Owner
Other Local Agencies
Avg Daily Traffic
400 vehicles/day
Structure Number
016995900000000

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 fair condition (5/9), with minor deterioration that may require routine maintenance.
  • 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 MAPLE AVE 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 MAPLE AVE 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 MAPLE AVE?

MAPLE AVE 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 MAPLE AVE inspected?

MAPLE AVE'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 400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MAPLE AVE 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 MAPLE AVE?

MAPLE AVE has an NBI inventory load rating of 30.1 metric tons.

Who is responsible for maintaining MAPLE AVE?

MAPLE AVE is owned and maintained by Other Local Agencies.

How old is MAPLE AVE and does age affect safety?

MAPLE AVE was built in 1909, making it 117 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.