FHWA NBI 2024 Inspection record Public-domain dataset

TR 198/LADUE ROAD

Carrying TR 198/LADUE ROAD over COLES CREEK

.5 MI S. EAST FORK T, Clinton, Illinois

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
25 t Inventory load rating Lower than 87% of rated Illinois bridges

TR 198/LADUE ROAD in Clinton, Illinois sits above 13% of rated Illinois bridges on inventory load rating (25 t), while its 1901 build year is earlier than 97% of Clinton's recorded-year cohort (190 bridges).

TR 198/LADUE ROAD in Clinton, Illinois is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1901, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. 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:014309800000000

PRE-1950 · STEEL · MULTI-SPAN · SUB-LED · TRACE-ADT · STANDARD-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • MULTI-SPAN 2 spans
  • SUB-LED Substructure-led
  • TRACE-ADT Trace 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: TR 198/LADUE ROAD

The TR 198/LADUE ROAD bridge in Clinton, Illinois carries TR 198/LADUE ROAD over COLES CREEK. It was built in 1901, making it 125 years old today. It was last reconstructed in 1957, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 18.9 meters (62 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 5/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.

How TR 198/LADUE ROAD compares

▼ 9.7
Load rating vs Illinois average (35.0 t; 26,904 of 26,928 rated)
190
Bridges in Clinton · 14 in Poor condition

Age against the county: built in 1901, earlier than 184 of Clinton's 190 bridges with a recorded construction year (97%), against a county median build year of 1980. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

TR 198/LADUE ROAD 25.3 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).

TR 198/LADUE ROAD vs every rated Illinois bridge

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

25 Top 87% higher than 13% 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
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
25.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Clinton inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 190 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
1901
Last Reconstructed
1957
Material
Steel
Number of Spans
2
Structure Length
18.9 m (62 ft)
Deck Width
6.5 m (21 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
25 vehicles/day
Structure Number
014309800000000

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.

How to read this record

TR 198/LADUE ROAD 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 198/LADUE ROAD against other structures in Clinton 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 198/LADUE ROAD?

TR 198/LADUE ROAD in Clinton, Illinois has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is TR 198/LADUE ROAD inspected?

TR 198/LADUE ROAD'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 198/LADUE ROAD 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 198/LADUE ROAD?

TR 198/LADUE ROAD has an NBI inventory load rating of 25.3 metric tons.

Who is responsible for maintaining TR 198/LADUE ROAD?

TR 198/LADUE ROAD is owned and maintained by Town/Township Highway Agency.

How old is TR 198/LADUE ROAD and does age affect safety?

TR 198/LADUE ROAD was built in 1901, making it 125 years old and last reconstructed in 1957.

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.