FHWA NBI 2024 Inspection record Public-domain dataset

FAU 7406 (TR 217)

Carrying FAU 7406 (TR 217) over Trib Big Creek

1 MI E MT ZION, Macon, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: FAU 7406 (TR 217)

The FAU 7406 (TR 217) bridge in Macon, Illinois carries FAU 7406 (TR 217) over Trib Big Creek. It was built in 2005, making it 21 years old today. The structure is built primarily of aluminum/iron and spans 1 section, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 1,800 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 32.4 metric tons.

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

How FAU 7406 (TR 217) compares

▼ 2.2
Load rating vs Illinois average (34.6 t)
Bottom 23%
Lower load rating than 77% of Illinois bridges
368
Bridges in Macon · 48 in Poor condition
FAU 7406 (TR 217) 32.4 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
50.1 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
9.0
Essentiality /15
14.1
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
4/9
Poor (1–4)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
2005
Material
Aluminum/Iron
Number of Spans
1
Structure Length
7.0 m (23 ft)
Deck Width
8.2 m (27 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
1,800 vehicles/day
Structure Number
058504500000000

How to read this record

FAU 7406 (TR 217) 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 7406 (TR 217) against other structures in Macon 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 7406 (TR 217)?

FAU 7406 (TR 217) in Macon, Illinois on the FHWA's 0–9 scale.

How often is FAU 7406 (TR 217) inspected?

FAU 7406 (TR 217)'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 1,800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAU 7406 (TR 217) 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 7406 (TR 217)?

FAU 7406 (TR 217) has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining FAU 7406 (TR 217)?

FAU 7406 (TR 217) is owned and maintained by Town/Township Highway Agency.

How old is FAU 7406 (TR 217) and does age affect safety?

FAU 7406 (TR 217) was built in 2005, making it 21 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.