FHWA NBI 2024 Inspection record Public-domain dataset

US 136

Carrying US 136 over MUD CREEK

2.09 M W OF US 51, McLean, Illinois

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
49 t Inventory load rating Higher than 91% of rated Illinois bridges

US 136 in McLean, Illinois sits above 91% of rated Illinois bridges on inventory load rating (49 t), while its 2009 build year is earlier than 9% of McLean's recorded-year cohort (624 bridges).

US 136 in McLean, Illinois is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 2009, it carries 1 rated component 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:057204100000000

POST-2000 · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR

  • POST-2000 2000+
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-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.

Bridge Snapshot: US 136

The US 136 bridge in McLean, Illinois carries US 136 over MUD CREEK. It was built in 2009, making it 17 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 17.3 meters (57 feet) end to end. Daily traffic averages 3,000 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How US 136 compares

▲ 13.6
Load rating vs Illinois average (35.0 t; 26,904 of 26,928 rated)
624
Bridges in McLean · 18 in Poor condition

Age against the county: built in 2009, earlier than 58 of McLean's 624 bridges with a recorded construction year (9%), against a county median build year of 1980. This is one of the newer structures in its county.

US 136 48.6 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).

US 136 vs every rated Illinois bridge

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

49 Top 9% higher than 91% 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
6/9
Fair (5–6)
Inventory Load Rating
48.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

McLean inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 624 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
2009
Material
Concrete Continuous
Number of Spans
3
Structure Length
17.3 m (57 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
3,000 vehicles/day
Structure Number
057204100000000

How to read this record

This page shows what the last federal inspection recorded, not whether US 136 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 US 136 against other structures in McLean 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 US 136?

US 136 in McLean, Illinois on the FHWA's 0–9 scale.

How often is US 136 inspected?

US 136'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 3,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 136 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 US 136?

US 136 has an NBI inventory load rating of 48.6 metric tons.

Who is responsible for maintaining US 136?

US 136 is owned and maintained by State Highway Agency.

How old is US 136 and does age affect safety?

US 136 was built in 2009, making it 17 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.