FHWA NBI 2024 Inspection record Public-domain dataset

FAU-1552 GRMN CH R

Carrying FAU-1552 GRMN CH R over FLAG CREEK

0.03 M W WOLF P10, Cook, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
43 t Inventory load rating

Bridge Snapshot: FAU-1552 GRMN CH R

The FAU-1552 GRMN CH R bridge in Cook, Illinois carries FAU-1552 GRMN CH R over FLAG CREEK. It was built in 1963, making it 63 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 37.2 meters (122 feet) end to end. Daily traffic averages 5,350 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 3/9, superstructure at 3/9, substructure at 6/9. 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 42.8 metric tons.

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

How FAU-1552 GRMN CH R compares

▲ 8.2
Load rating vs Illinois average (34.6 t)
Top 14%
Higher load rating than 86% of Illinois bridges
2,185
Bridges in Cook · 144 in Poor condition
FAU-1552 GRMN CH R 42.8 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
29.5 / 100 - historical 20–49.9 band
Structural adequacy /55
15.0
Serviceability /30
2.0
Essentiality /15
12.5
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Superstructure
3/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
42.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1963
Material
Prestressed Concrete
Number of Spans
3
Structure Length
37.2 m (122 ft)
Deck Width
12.2 m (40 ft)
Owner
County Highway Agency
Avg Daily Traffic
5,350 vehicles/day
Structure Number
016306400000000

Condition Analysis

  • The deck (driving surface) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
  • At 3/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

FAU-1552 GRMN CH R 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 FAU-1552 GRMN CH R 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 FAU-1552 GRMN CH R?

FAU-1552 GRMN CH R in Cook, Illinois has a deck rating of 3/9, superstructure rating of 3/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is FAU-1552 GRMN CH R inspected?

FAU-1552 GRMN CH R'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 5,350 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAU-1552 GRMN CH R 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 FAU-1552 GRMN CH R?

FAU-1552 GRMN CH R has an NBI inventory load rating of 42.8 metric tons.

Who is responsible for maintaining FAU-1552 GRMN CH R?

FAU-1552 GRMN CH R is owned and maintained by County Highway Agency.

How old is FAU-1552 GRMN CH R and does age affect safety?

FAU-1552 GRMN CH R was built in 1963, making it 63 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.