10TH AV
Carrying 10TH AV over KEITH CREEK
0.1 MI E KISHWAUKEE, Winnebago, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 10TH AV
The 10TH AV bridge in Winnebago, Illinois carries 10TH AV over KEITH CREEK. It was built in 1910, making it 116 years old today. The structure is built primarily of concrete and spans 1 section, stretching 14.6 meters (48 feet) end to end. Daily traffic averages 475 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show superstructure at 5/9, substructure at 5/9. 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 24.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 10TH AV 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 How the historical reference is calculated.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
- 1910
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 14.6 m (48 ft)
- Deck Width
- 13.9 m (46 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 475 vehicles/day
- Structure Number
- 101604200000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether 10TH AV 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 10TH AV 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 10TH AV?
10TH AV in Winnebago, Illinois, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is 10TH AV inspected?
10TH AV'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 475 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 10TH AV 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 10TH AV?
10TH AV has an NBI inventory load rating of 24.9 metric tons.
Who is responsible for maintaining 10TH AV?
10TH AV is owned and maintained by City/Municipal Highway Agency.
How old is 10TH AV and does age affect safety?
10TH AV was built in 1910, making it 116 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.