FHWA NBI 2024 Inspection record Public-domain dataset

BEST RD

Carrying BEST RD over N BR OTTER CREEK

AT YALE BRIDGE ROAD, Winnebago, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
26 t Inventory load rating

Bridge Snapshot: BEST RD

The BEST RD bridge in Winnebago, Illinois carries BEST RD over N BR OTTER CREEK. It was built in 1955, making it 71 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 14.3 meters (47 feet) end to end. Daily traffic averages 800 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 25.9 metric tons.

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

How BEST RD compares

▼ 8.7
Load rating vs Illinois average (34.6 t)
Bottom 15%
Lower load rating than 85% of Illinois bridges
475
Bridges in Winnebago · 29 in Poor condition
BEST RD 25.9 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
80.4 / 100 - historical 80–100 band
Structural adequacy /55
39.6
Serviceability /30
29.0
Essentiality /15
14.8
Special reductions
−3.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
25.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1955
Material
Concrete Continuous
Number of Spans
3
Structure Length
14.3 m (47 ft)
Owner
County Highway Agency
Avg Daily Traffic
800 vehicles/day
Structure Number
101503500000000

How to read this record

This page shows what the last federal inspection recorded, not whether BEST 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 BEST 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 BEST RD?

BEST RD in Winnebago, Illinois on the FHWA's 0–9 scale.

How often is BEST RD inspected?

BEST 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 800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. BEST RD 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 BEST RD?

BEST RD has an NBI inventory load rating of 25.9 metric tons.

Who is responsible for maintaining BEST RD?

BEST RD is owned and maintained by County Highway Agency.

How old is BEST RD and does age affect safety?

BEST RD was built in 1955, making it 71 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.