FHWA NBI 2024 Inspection record Public-domain dataset

CRYSTAL LAKE RD

Carrying CRYSTAL LAKE RD over WOODS CREEK

0.75 MI N ALGONQUIN, McHenry, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: CRYSTAL LAKE RD

The CRYSTAL LAKE RD bridge in McHenry, Illinois carries CRYSTAL LAKE RD over WOODS CREEK. It was built in 2006, making it 20 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 10.8 meters (35 feet) end to end. Daily traffic averages 3,200 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by City/Municipal 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. Its NBI inventory load rating is 32.4 metric tons.

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

How CRYSTAL LAKE RD compares

▼ 2.2
Load rating vs Illinois average (34.6 t)
Bottom 23%
Lower load rating than 77% of Illinois bridges
229
Bridges in McHenry · 46 in Poor condition
CRYSTAL LAKE RD 32.4 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
99.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.6
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2006
Material
Concrete
Number of Spans
3
Structure Length
10.8 m (35 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
3,200 vehicles/day
Structure Number
056600200000000

How to read this record

This page shows what the last federal inspection recorded, not whether CRYSTAL LAKE 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 CRYSTAL LAKE RD against other structures in McHenry 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 CRYSTAL LAKE RD?

CRYSTAL LAKE RD in McHenry, Illinois on the FHWA's 0–9 scale.

How often is CRYSTAL LAKE RD inspected?

CRYSTAL LAKE 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 3,200 vehicles per day.

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

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

CRYSTAL LAKE RD has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining CRYSTAL LAKE RD?

CRYSTAL LAKE RD is owned and maintained by City/Municipal Highway Agency.

How old is CRYSTAL LAKE RD and does age affect safety?

CRYSTAL LAKE RD was built in 2006, making it 20 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.