FAU 7155(DUNCAN RD
Carrying FAU 7155(DUNCAN RD over COPPER SLOUGH
DUNCAN S OF SPRNGFLD, Champaign, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FAU 7155(DUNCAN RD
The FAU 7155(DUNCAN RD bridge in Champaign, Illinois carries FAU 7155(DUNCAN RD over COPPER SLOUGH. It was built in 1976, making it 50 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 12.1 meters (40 feet) end to end. Daily traffic averages 7,550 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 2/9, superstructure at 2/9, substructure at 6/9. The weakest component sits in critical 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 32.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How FAU 7155(DUNCAN RD compares
Live comparison across Illinois.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1976
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 12.1 m (40 ft)
- Deck Width
- 12.3 m (40 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 7,550 vehicles/day
- Structure Number
- 010601000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in critical condition (2/9), with severe deterioration requiring urgent attention.
- • The superstructure (beams and supports above the deck) rates critical at 2/9, severe deterioration that needs urgent attention.
- • 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 7155(DUNCAN RD 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 7155(DUNCAN RD against other structures in Champaign 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 7155(DUNCAN RD?
FAU 7155(DUNCAN RD in Champaign, Illinois has a deck rating of 2/9, superstructure rating of 2/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is FAU 7155(DUNCAN RD inspected?
FAU 7155(DUNCAN RD'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 7,550 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FAU 7155(DUNCAN RD 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 7155(DUNCAN RD?
FAU 7155(DUNCAN RD has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining FAU 7155(DUNCAN RD?
FAU 7155(DUNCAN RD is owned and maintained by City/Municipal Highway Agency.
How old is FAU 7155(DUNCAN RD and does age affect safety?
FAU 7155(DUNCAN RD was built in 1976, making it 50 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.
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.