FHWA NBI 2024 Inspection record Public-domain dataset

COLLEGE ST

Carrying COLLEGE ST over PILES FORK

CITY HALL CARBONDALE, Jackson, Illinois

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
31 t Inventory load rating Lower than 79% of rated Illinois bridges

COLLEGE ST in Jackson, Illinois sits above 21% of rated Illinois bridges on inventory load rating (31 t), while its 1971 build year is earlier than 83% of Jackson's recorded-year cohort (228 bridges).

COLLEGE ST in Jackson, Illinois is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1971, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure IL:039610100000000

INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: COLLEGE ST

The COLLEGE ST bridge in Jackson, Illinois carries COLLEGE ST over PILES FORK. It was built in 1971, making it 55 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 1,700 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 culvert at 3/9. 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.

How COLLEGE ST compares

▼ 4.5
Load rating vs Illinois average (35.0 t; 26,904 of 26,928 rated)
228
Bridges in Jackson · 15 in Poor condition

Age against the county: built in 1971, earlier than 189 of Jackson's 228 bridges with a recorded construction year (83%), against a county median build year of 1992. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

COLLEGE ST 30.5 t
Illinois average (26,904 of 26,928 rated) 35.0 t

Live comparison across Illinois bridges with a recorded inventory load rating (26,904 of 26,928 rated).

COLLEGE ST vs every rated Illinois bridge

Inventory load rating (metric tons), FHWA NBI, this state

31 Top 79% higher than 21% of 26,904 bridges

rated Illinois bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Culvert
3/9
Poor (1–4)
Inventory Load Rating
30.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Jackson inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 228 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1971
Material
Concrete Continuous
Number of Spans
2
Structure Length
9.1 m (30 ft)
Deck Width
14.8 m (49 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,700 vehicles/day
Structure Number
039610100000000

How to read this record

COLLEGE ST 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 COLLEGE ST 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 COLLEGE ST?

COLLEGE ST in Jackson, Illinois on the FHWA's 0–9 scale.

How often is COLLEGE ST inspected?

COLLEGE 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 1,700 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COLLEGE ST 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 COLLEGE ST?

COLLEGE ST has an NBI inventory load rating of 30.5 metric tons.

Who is responsible for maintaining COLLEGE ST?

COLLEGE ST is owned and maintained by City/Municipal Highway Agency.

How old is COLLEGE ST and does age affect safety?

COLLEGE ST was built in 1971, making it 55 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.