FHWA NBI 2024 Inspection record Public-domain dataset

TR 239

Carrying TR 239 over L. CRAB ORCHARD CRK.

0.5MI.W.US51N.LMTCDL, Jackson, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
27 t Inventory load rating

Bridge Snapshot: TR 239

The TR 239 bridge in Jackson, Illinois carries TR 239 over L. CRAB ORCHARD CRK.. It was built in 1984, making it 42 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 24.1 meters (79 feet) end to end. Daily traffic averages 450 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 27.2 metric tons.

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

How TR 239 compares

▼ 7.4
Load rating vs Illinois average (34.6 t)
Bottom 17%
Lower load rating than 83% of Illinois bridges
235
Bridges in Jackson · 15 in Poor condition
TR 239 27.2 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
63.0 / 100 - historical 50–79.9 band
Structural adequacy /55
26.1
Serviceability /30
24.0
Essentiality /15
14.8
Special reductions
−2.0

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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
27.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1984
Material
Prestressed Concrete
Number of Spans
3
Structure Length
24.1 m (79 ft)
Deck Width
8.6 m (28 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
450 vehicles/day
Structure Number
039317100000000

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

TR 239 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 239 against other structures in Jackson 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 239?

TR 239 in Jackson, Illinois has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is TR 239 inspected?

TR 239'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 450 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TR 239 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 239?

TR 239 has an NBI inventory load rating of 27.2 metric tons.

Who is responsible for maintaining TR 239?

TR 239 is owned and maintained by City/Municipal Highway Agency.

How old is TR 239 and does age affect safety?

TR 239 was built in 1984, making it 42 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.

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.