PRAIRIE HILL RD
Carrying PRAIRIE HILL RD over DRY CREEK RUN
AT WILLOWBROOK RD, Winnebago, Illinois
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
PRAIRIE HILL RD in Winnebago, Illinois sits above 89% of rated Illinois bridges on inventory load rating (47 t), while its 2007 build year is earlier than 15% of Winnebago's recorded-year cohort (467 bridges).
PRAIRIE HILL RD in Winnebago, Illinois is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2007, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:101515500000000
POST-2000 · CONCRETE · LONG-SPAN-RUN · CULVERT-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD
- POST-2000 2000+
- CONCRETE Concrete
- LONG-SPAN-RUN 7 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy load
- CAT-GOOD Good
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: PRAIRIE HILL RD
The PRAIRIE HILL RD bridge in Winnebago, Illinois carries PRAIRIE HILL RD over DRY CREEK RUN. It was built in 2007, making it 19 years old today. The structure is built primarily of concrete and spans 7 sections, stretching 41.5 meters (136 feet) end to end. Daily traffic averages 4,050 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.
How PRAIRIE HILL RD compares
Age against the county: built in 2007, earlier than 70 of Winnebago's 467 bridges with a recorded construction year (15%), against a county median build year of 1975. This is one of the newer structures in its county.
Live comparison across Illinois bridges with a recorded inventory load rating (26,904 of 26,928 rated).
PRAIRIE HILL RD vs every rated Illinois bridge
Inventory load rating (metric tons), FHWA NBI, this state
47 Top 11% higher than 89% 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
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Winnebago inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 467 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
- 2007
- Material
- Concrete
- Number of Spans
- 7
- Structure Length
- 41.5 m (136 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 4,050 vehicles/day
- Structure Number
- 101515500000000
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 PRAIRIE HILL RD 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 PRAIRIE HILL RD 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 PRAIRIE HILL RD?
PRAIRIE HILL RD in Winnebago, Illinois on the FHWA's 0–9 scale.
How often is PRAIRIE HILL RD inspected?
PRAIRIE HILL RD'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 4,050 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. PRAIRIE HILL RD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for PRAIRIE HILL RD?
PRAIRIE HILL RD has an NBI inventory load rating of 46.7 metric tons.
Who is responsible for maintaining PRAIRIE HILL RD?
PRAIRIE HILL RD is owned and maintained by County Highway Agency.
How old is PRAIRIE HILL RD and does age affect safety?
PRAIRIE HILL RD was built in 2007, making it 19 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
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.