SUDDUTH RD. FAU 80
Carrying SUDDUTH RD. FAU 80 over I-55
.5M N SHERMAN INTCHG, Sangamon, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SUDDUTH RD. FAU 80
The SUDDUTH RD. FAU 80 bridge in Sangamon, Illinois carries SUDDUTH RD. FAU 80 over I-55. It was built in 1962, making it 64 years old today. The structure is built primarily of steel continuous. Daily traffic averages 29,200 vehicles, placing it in the heavily-trafficked tier of Illinois bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SUDDUTH RD. FAU 80 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 How the historical reference is calculated.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
- 1962
- Material
- Steel Continuous
- Avg Daily Traffic
- 29,200 vehicles/day
- Structure Number
- 084010000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether SUDDUTH RD. FAU 80 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 SUDDUTH RD. FAU 80 against other structures in Sangamon 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 SUDDUTH RD. FAU 80?
SUDDUTH RD. FAU 80 in Sangamon, Illinois on the FHWA's 0–9 scale.
How often is SUDDUTH RD. FAU 80 inspected?
SUDDUTH RD. FAU 80'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 29,200 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SUDDUTH RD. FAU 80 is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for SUDDUTH RD. FAU 80?
An inventory load rating is not recorded for SUDDUTH RD. FAU 80.
Who is responsible for maintaining SUDDUTH RD. FAU 80?
Ownership is not specified for SUDDUTH RD. FAU 80 in the NBI.
How old is SUDDUTH RD. FAU 80 and does age affect safety?
SUDDUTH RD. FAU 80 was built in 1962, making it 64 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.