FHWA NBI 2024 Inspection record Public-domain dataset

SILVER GLEN ROAD

Carrying SILVER GLEN ROAD over OTTER CREEK

0.8 MI W RANDALL RD, Kane, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
36 t Inventory load rating

Bridge Snapshot: SILVER GLEN ROAD

The SILVER GLEN ROAD bridge in Kane, Illinois carries SILVER GLEN ROAD over OTTER CREEK. It was built in 2019, making it 7 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 34.6 meters (114 feet) end to end. Daily traffic averages 9,800 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 a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 36.0 metric tons.

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

How SILVER GLEN ROAD compares

▲ 1.4
Load rating vs Illinois average (34.6 t)
Top 28%
Higher load rating than 72% of Illinois bridges
354
Bridges in Kane · 18 in Poor condition
SILVER GLEN ROAD 36.0 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
96.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
12.7
Special reductions
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 How the historical reference is calculated.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

Deck
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
36.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2019
Material
Concrete Continuous
Number of Spans
3
Structure Length
34.6 m (114 ft)
Deck Width
13.0 m (43 ft)
Owner
County Highway Agency
Avg Daily Traffic
9,800 vehicles/day
Structure Number
045316100000000

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether SILVER GLEN 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 SILVER GLEN ROAD against other structures in Kane 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 SILVER GLEN ROAD?

SILVER GLEN ROAD in Kane, Illinois has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is SILVER GLEN ROAD inspected?

SILVER GLEN 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 9,800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SILVER GLEN ROAD 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 SILVER GLEN ROAD?

SILVER GLEN ROAD has an NBI inventory load rating of 36.0 metric tons.

Who is responsible for maintaining SILVER GLEN ROAD?

SILVER GLEN ROAD is owned and maintained by County Highway Agency.

How old is SILVER GLEN ROAD and does age affect safety?

SILVER GLEN ROAD was built in 2019, making it 7 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.