FHWA NBI 2024 Inspection record Public-domain dataset

DEVON AVE

Carrying DEVON AVE over SALT CREEK

0.3 M E ARL HTS P5, Cook, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
70 t Inventory load rating

Bridge Snapshot: DEVON AVE

The DEVON AVE bridge in Cook, Illinois carries DEVON AVE over SALT CREEK. It was built in 1932, making it 94 years old today. It was last reconstructed in 1974, extending its service life. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 24.7 meters (81 feet) end to end. Daily traffic averages 17,000 vehicles, placing it in the heavily-trafficked tier of Illinois bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 69.7 metric tons.

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

How DEVON AVE compares

▲ 35.1
Load rating vs Illinois average (34.6 t)
Top 2%
Higher load rating than 98% of Illinois bridges
2,185
Bridges in Cook · 144 in Poor condition
DEVON AVE 69.7 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
52.7 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
11.0
Essentiality /15
11.7
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
69.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1932
Last Reconstructed
1974
Material
Prestressed Concrete
Number of Spans
2
Structure Length
24.7 m (81 ft)
Deck Width
20.7 m (68 ft)
Owner
County Highway Agency
Avg Daily Traffic
17,000 vehicles/day
Structure Number
016306300000000

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

DEVON AVE is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare DEVON 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 DEVON AVE?

DEVON AVE in Cook, Illinois has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is DEVON AVE inspected?

DEVON 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 17,000 vehicles per day.

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

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

What is the inventory load rating for DEVON AVE?

DEVON AVE has an NBI inventory load rating of 69.7 metric tons.

Who is responsible for maintaining DEVON AVE?

DEVON AVE is owned and maintained by County Highway Agency.

How old is DEVON AVE and does age affect safety?

DEVON AVE was built in 1932, making it 94 years old and last reconstructed in 1974.

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.