FHWA NBI 2024 Inspection record Public-domain dataset

SUGAR GROVE ROAD

Carrying SUGAR GROVE ROAD over SUGAR CREEK

1.3 M NW PALMYRA RD, Lee, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
21 t Inventory load rating

Bridge Snapshot: SUGAR GROVE ROAD

The SUGAR GROVE ROAD bridge in Lee, Illinois carries SUGAR GROVE ROAD over SUGAR CREEK. It was built in 1962, making it 64 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.7 meters (22 feet) end to end. Daily traffic averages 175 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 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 20.7 metric tons.

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

How SUGAR GROVE ROAD compares

▼ 13.9
Load rating vs Illinois average (34.6 t)
Bottom 6%
Lower load rating than 94% of Illinois bridges
372
Bridges in Lee · 44 in Poor condition
SUGAR GROVE ROAD 20.7 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
83.9 / 100 - historical 80–100 band
Structural adequacy /55
42.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
20.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1962
Material
Concrete
Number of Spans
2
Structure Length
6.7 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
175 vehicles/day
Structure Number
052505100000000

How to read this record

This page shows what the last federal inspection recorded, not whether SUGAR GROVE ROAD 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 SUGAR GROVE ROAD against other structures in Lee 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 SUGAR GROVE ROAD?

SUGAR GROVE ROAD in Lee, Illinois on the FHWA's 0–9 scale.

How often is SUGAR GROVE ROAD inspected?

SUGAR GROVE ROAD'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 175 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SUGAR GROVE ROAD 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 SUGAR GROVE ROAD?

SUGAR GROVE ROAD has an NBI inventory load rating of 20.7 metric tons.

Who is responsible for maintaining SUGAR GROVE ROAD?

SUGAR GROVE ROAD is owned and maintained by County Highway Agency.

How old is SUGAR GROVE ROAD and does age affect safety?

SUGAR GROVE ROAD was built in 1962, making it 64 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.