FHWA NBI 2024 Inspection record Public-domain dataset

ILL 92

Carrying ILL 92 over 11TH ST-ROCK ISLAND

CENTENNIAL FRWY R.I., Rock Island, Illinois

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
60 t Inventory load rating Higher than 97% of rated Illinois bridges

ILL 92 in Rock Island, Illinois sits above 97% of rated Illinois bridges on inventory load rating (60 t), while its 1962 build year is earlier than 86% of Rock Island's recorded-year cohort (272 bridges).

ILL 92 in Rock Island, Illinois is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1962, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair 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:081990600000000

INTERSTATE-ERA · STEEL · MULTI-SPAN · DECK-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 3 spans
  • DECK-LED Deck-led
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

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

Structural health score

A composite of the deck, superstructure, and substructure NBI condition ratings plus the inventory load rating, benchmarked against the full national bridge corpus, distinct from the Good/Fair/Poor category above.

C
Overall Score
56/100
ILL 92
Deck Condition F
6/9
NBI deck condition rating (0=failed, 9=excellent)
Superstructure Condition C-
7/9
NBI superstructure condition rating (0=failed, 9=excellent)
Substructure Condition C-
7/9
NBI substructure condition rating (0=failed, 9=excellent)
Load Rating A+
60 t
NBI inventory load rating vs the national corpus

Bridge Snapshot: ILL 92

The ILL 92 bridge in Rock Island, Illinois carries ILL 92 over 11TH ST-ROCK ISLAND. It was built in 1962, making it 64 years old today. It was last reconstructed in 2003, extending its service life. The structure is built primarily of steel and spans 3 sections, stretching 41.5 meters (136 feet) end to end. Daily traffic averages 9,150 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection places the weakest component in fair condition (see the full component ratings below). No reported major component scores in the Poor range under the current federal condition thresholds.

How ILL 92 compares

▲ 24.9
Load rating vs Illinois average (35.0 t; 26,904 of 26,928 rated)
272
Bridges in Rock Island · 13 in Poor condition

Age against the county: built in 1962, earlier than 234 of Rock Island's 272 bridges with a recorded construction year (86%), against a county median build year of 1984. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

ILL 92 59.9 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).

ILL 92 vs every rated Illinois bridge

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

60 Top 3% higher than 97% 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

Deck
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
59.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Rock Island inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 272 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
1962
Last Reconstructed
2003
Material
Steel
Number of Spans
3
Structure Length
41.5 m (136 ft)
Deck Width
20.3 m (67 ft)
Owner
State Highway Agency
Avg Daily Traffic
9,150 vehicles/day
Structure Number
081990600000000

Condition Analysis

  • • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether ILL 92 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 ILL 92 against other structures in Rock Island 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 ILL 92?

ILL 92 in Rock Island, Illinois has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is ILL 92 inspected?

ILL 92'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 9,150 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ILL 92 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for ILL 92?

ILL 92 has an NBI inventory load rating of 59.9 metric tons.

Who is responsible for maintaining ILL 92?

ILL 92 is owned and maintained by State Highway Agency.

How old is ILL 92 and does age affect safety?

ILL 92 was built in 1962, making it 64 years old and last reconstructed in 2003.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details.

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.

Share this inspection record

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.