FHWA NBI 2024 Inspection record Public-domain dataset

I74 & I280

Carrying I74 & I280 over TURNER CREEK

2 MI W INT I74 & I80, Henry, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
89 t Inventory load rating

Bridge Snapshot: I74 & I280

The I74 & I280 bridge in Henry, Illinois carries I74 & I280 over TURNER CREEK. It was built in 1962, making it 64 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 9.4 meters (31 feet) end to end. Daily traffic averages 15,000 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 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 89.1 metric tons.

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

How I74 & I280 compares

▲ 54.5
Load rating vs Illinois average (34.6 t)
Top 1%
Higher load rating than 99% of Illinois bridges
331
Bridges in Henry · 33 in Poor condition
I74 & I280 89.1 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
81.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
11.3
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
89.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1962
Material
Concrete
Number of Spans
3
Structure Length
9.4 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
15,000 vehicles/day
Structure Number
037200000000000

How to read this record

This page shows what the last federal inspection recorded, not whether I74 & I280 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 I74 & I280 against other structures in Henry 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 I74 & I280?

I74 & I280 in Henry, Illinois on the FHWA's 0–9 scale.

How often is I74 & I280 inspected?

I74 & I280'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 15,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I74 & I280 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 I74 & I280?

I74 & I280 has an NBI inventory load rating of 89.1 metric tons.

Who is responsible for maintaining I74 & I280?

I74 & I280 is owned and maintained by State Highway Agency.

How old is I74 & I280 and does age affect safety?

I74 & I280 was built in 1962, making it 64 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.