FHWA NBI 2024 Inspection record Public-domain dataset

I-88 RAMP WB

Carrying I-88 RAMP WB over ELKHORN CREEK

5.10 MI W IL 40, Whiteside, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
61 t Inventory load rating

Bridge Snapshot: I-88 RAMP WB

The I-88 RAMP WB bridge in Whiteside, Illinois carries I-88 RAMP WB over ELKHORN CREEK. It was built in 1972, making it 54 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 83.7 meters (275 feet) end to end. Daily traffic averages 700 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 60.9 metric tons.

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

How I-88 RAMP WB compares

▲ 26.3
Load rating vs Illinois average (34.6 t)
Top 3%
Higher load rating than 97% of Illinois bridges
280
Bridges in Whiteside · 23 in Poor condition
I-88 RAMP WB 60.9 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
90.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
22.0
Essentiality /15
14.9
Special reductions
−1.0

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 How the historical reference is calculated.

Condition Ratings

Deck
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
60.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1972
Material
Steel Continuous
Number of Spans
3
Structure Length
83.7 m (275 ft)
Deck Width
8.5 m (28 ft)
Owner
State Highway Agency
Avg Daily Traffic
700 vehicles/day
Structure Number
098009200000000

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether I-88 RAMP WB 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 I-88 RAMP WB against other structures in Whiteside 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 I-88 RAMP WB?

I-88 RAMP WB in Whiteside, Illinois has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is I-88 RAMP WB inspected?

I-88 RAMP WB'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 700 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I-88 RAMP WB 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 I-88 RAMP WB?

I-88 RAMP WB has an NBI inventory load rating of 60.9 metric tons.

Who is responsible for maintaining I-88 RAMP WB?

I-88 RAMP WB is owned and maintained by State Highway Agency.

How old is I-88 RAMP WB and does age affect safety?

I-88 RAMP WB was built in 1972, making it 54 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.