FOREST HILLS RD SB
Carrying FOREST HILLS RD SB over IL 251 NB
IN ROCKFORD, Winnebago, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FOREST HILLS RD SB
The FOREST HILLS RD SB bridge in Winnebago, Illinois carries FOREST HILLS RD SB over IL 251 NB. It was built in 1971, making it 55 years old today. The structure is built primarily of steel continuous. Daily traffic averages 16,300 vehicles, placing it in the heavily-trafficked tier of Illinois bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. None of this bridge's reported major components fall into the Poor condition range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How FOREST HILLS RD SB compares
Live comparison across Illinois.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1971
- Material
- Steel Continuous
- Avg Daily Traffic
- 16,300 vehicles/day
- Structure Number
- 101012300000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether FOREST HILLS RD SB 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 FOREST HILLS RD SB against other structures in Winnebago 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 FOREST HILLS RD SB?
FOREST HILLS RD SB in Winnebago, Illinois on the FHWA's 0–9 scale.
How often is FOREST HILLS RD SB inspected?
FOREST HILLS RD SB'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 16,300 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FOREST HILLS RD SB is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for FOREST HILLS RD SB?
An inventory load rating is not recorded for FOREST HILLS RD SB.
Who is responsible for maintaining FOREST HILLS RD SB?
Ownership is not specified for FOREST HILLS RD SB in the NBI.
How old is FOREST HILLS RD SB and does age affect safety?
FOREST HILLS RD SB was built in 1971, making it 55 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.
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.