TR 74 FARNHAM ST
Carrying TR 74 FARNHAM ST over US 34 BYPASS
W OF I-74&34 INTERCH, Knox, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: TR 74 FARNHAM ST
The TR 74 FARNHAM ST bridge in Knox, Illinois carries TR 74 FARNHAM ST over US 34 BYPASS. It was built in 1965, making it 61 years old today. The structure is built primarily of steel continuous. Daily traffic averages 14,500 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 TR 74 FARNHAM ST 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 How the historical reference is calculated.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
- 1965
- Material
- Steel Continuous
- Avg Daily Traffic
- 14,500 vehicles/day
- Structure Number
- 048006500000000
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 TR 74 FARNHAM ST 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 TR 74 FARNHAM ST against other structures in Knox 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 TR 74 FARNHAM ST?
TR 74 FARNHAM ST in Knox, Illinois on the FHWA's 0–9 scale.
How often is TR 74 FARNHAM ST inspected?
TR 74 FARNHAM ST'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 14,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TR 74 FARNHAM ST 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 TR 74 FARNHAM ST?
An inventory load rating is not recorded for TR 74 FARNHAM ST.
Who is responsible for maintaining TR 74 FARNHAM ST?
Ownership is not specified for TR 74 FARNHAM ST in the NBI.
How old is TR 74 FARNHAM ST and does age affect safety?
TR 74 FARNHAM ST was built in 1965, making it 61 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.