FHWA NBI 2024 Inspection record Public-domain dataset

TR 187

Carrying TR 187 over LICK CR

3.0 MI SE HETTICK, Macoupin, Illinois

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
45 t Inventory load rating Higher than 86% of rated Illinois bridges

TR 187 in Macoupin, Illinois sits above 86% of rated Illinois bridges on inventory load rating (45 t), while its 1974 build year is earlier than 51% of Macoupin's recorded-year cohort (242 bridges).

TR 187 in Macoupin, Illinois is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1974, 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:059327500000000

INTERSTATE-ERA · STEEL · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy 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 187

The TR 187 bridge in Macoupin, Illinois carries TR 187 over LICK CR. It was built in 1974, making it 52 years old today. The structure is built primarily of steel and spans 2 sections, stretching 6.9 meters (23 feet) end to end. Daily traffic averages 50 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 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 TR 187 compares

▲ 9.7
Load rating vs Illinois average (35.0 t; 26,904 of 26,928 rated)
242
Bridges in Macoupin · 43 in Poor condition

Age against the county: built in 1974, earlier than 124 of Macoupin's 242 bridges with a recorded construction year (51%), against a county median build year of 1975. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

TR 187 44.7 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 187 vs every rated Illinois bridge

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

45 Top 14% higher than 86% 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
44.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Macoupin inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 242 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
1974
Material
Steel
Number of Spans
2
Structure Length
6.9 m (23 ft)
0
Owner
Town/Township Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
059327500000000

How to read this record

TR 187 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 187 against other structures in Macoupin 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 187?

TR 187 in Macoupin, Illinois on the FHWA's 0–9 scale.

How often is TR 187 inspected?

TR 187'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TR 187 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 187?

TR 187 has an NBI inventory load rating of 44.7 metric tons.

Who is responsible for maintaining TR 187?

TR 187 is owned and maintained by Town/Township Highway Agency.

How old is TR 187 and does age affect safety?

TR 187 was built in 1974, making it 52 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.