FHWA NBI 2024 Inspection record Public-domain dataset

US 150 & ILL 116

Carrying US 150 & ILL 116 over IL RIVER TRIBUTARY

.1M S JCT US 150&116, Tazewell, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
35 t Inventory load rating

Bridge Snapshot: US 150 & ILL 116

The US 150 & ILL 116 bridge in Tazewell, Illinois carries US 150 & ILL 116 over IL RIVER TRIBUTARY. It was built in 1964, making it 62 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 20,400 vehicles, placing it in the heavily-trafficked tier of Illinois bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert 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. Its NBI inventory load rating is 35.0 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How US 150 & ILL 116 compares

▲ 0.4
Load rating vs Illinois average (34.6 t)
Top 30%
Higher load rating than 70% of Illinois bridges
361
Bridges in Tazewell · 40 in Poor condition
US 150 & ILL 116 35.0 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
54.2 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
13.0
Essentiality /15
11.2
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

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

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

Structural Details

Year Built
1964
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.0 m (23 ft)
Owner
State Highway Agency
Avg Daily Traffic
20,400 vehicles/day
Structure Number
090200600000000

How to read this record

US 150 & ILL 116 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 US 150 & ILL 116 against other structures in Tazewell 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 150 & ILL 116?

US 150 & ILL 116 in Tazewell, Illinois on the FHWA's 0–9 scale.

How often is US 150 & ILL 116 inspected?

US 150 & ILL 116'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 20,400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 150 & ILL 116 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 US 150 & ILL 116?

US 150 & ILL 116 has an NBI inventory load rating of 35.0 metric tons.

Who is responsible for maintaining US 150 & ILL 116?

US 150 & ILL 116 is owned and maintained by State Highway Agency.

How old is US 150 & ILL 116 and does age affect safety?

US 150 & ILL 116 was built in 1964, making it 62 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

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.