FHWA NBI 2024 Inspection record Public-domain dataset

POWDERMILL/ FAU 90

Carrying POWDERMILL/ FAU 90 over WOOD RIVER

1.5 M S ILL 140, Madison, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
35 t Inventory load rating

Bridge Snapshot: POWDERMILL/ FAU 90

The POWDERMILL/ FAU 90 bridge in Madison, Illinois carries POWDERMILL/ FAU 90 over WOOD RIVER. It was built in 1952, making it 74 years old today. It was last reconstructed in 2006, extending its service life. The structure is built primarily of steel continuous and spans 3 sections, stretching 62.0 meters (203 feet) end to end. Daily traffic averages 4,350 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 7/9, superstructure at 6/9, substructure at 7/9. 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 35.0 metric tons.

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

How POWDERMILL/ FAU 90 compares

▲ 0.4
Load rating vs Illinois average (34.6 t)
Top 30%
Higher load rating than 70% of Illinois bridges
543
Bridges in Madison · 35 in Poor condition
POWDERMILL/ FAU 90 35.0 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
67.3 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
13.0
Essentiality /15
0.0
Special reductions
−0.7

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
35.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1952
Last Reconstructed
2006
Material
Steel Continuous
Number of Spans
3
Structure Length
62.0 m (203 ft)
Deck Width
10.1 m (33 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
4,350 vehicles/day
Structure Number
060640000000000

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether POWDERMILL/ FAU 90 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 POWDERMILL/ FAU 90 against other structures in Madison 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 POWDERMILL/ FAU 90?

POWDERMILL/ FAU 90 in Madison, Illinois has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is POWDERMILL/ FAU 90 inspected?

POWDERMILL/ FAU 90'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 4,350 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. POWDERMILL/ FAU 90 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 POWDERMILL/ FAU 90?

POWDERMILL/ FAU 90 has an NBI inventory load rating of 35.0 metric tons.

Who is responsible for maintaining POWDERMILL/ FAU 90?

POWDERMILL/ FAU 90 is owned and maintained by City/Municipal Highway Agency.

How old is POWDERMILL/ FAU 90 and does age affect safety?

POWDERMILL/ FAU 90 was built in 1952, making it 74 years old and last reconstructed in 2006.

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.