TR 242
Carrying TR 242 over MUD CR
5 MI SW MILFORD, Iroquois, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: TR 242
The TR 242 bridge in Iroquois, Illinois carries TR 242 over MUD CR. It was built in 1917, making it 109 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 32.3 meters (106 feet) end to end. Daily traffic averages 25 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by Town/Township Highway Agency.
The latest FHWA inspection records show a deck rating of 2/9, superstructure at 1/9, substructure at 4/9. The weakest component sits in critical condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How TR 242 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 How the historical reference is calculated.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
- 1917
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 32.3 m (106 ft)
- Deck Width
- 6.7 m (22 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 25 vehicles/day
- Structure Number
- 038473400000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 2/9, the deck (driving surface) is in critical shape, with severe wear requiring urgent action.
- • The superstructure (beams and supports above the deck) is in critical condition (1/9), with severe deterioration requiring urgent attention.
- • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
How to read this record
TR 242 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 TR 242 against other structures in Iroquois 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 242?
TR 242 in Iroquois, Illinois has a deck rating of 2/9, superstructure rating of 1/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is TR 242 inspected?
TR 242'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 25 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TR 242 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 TR 242?
An inventory load rating is not recorded for TR 242.
Who is responsible for maintaining TR 242?
TR 242 is owned and maintained by Town/Township Highway Agency.
How old is TR 242 and does age affect safety?
TR 242 was built in 1917, making it 109 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.