DESPLAINES RIV TRA
Carrying DESPLAINES RIV TRA over US HIGHWAY 41
300FT E KILBOURN RD, Lake, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: DESPLAINES RIV TRA
The DESPLAINES RIV TRA bridge in Lake, Illinois carries DESPLAINES RIV TRA over US HIGHWAY 41. It was built in 1995, making it 31 years old today. The structure is built primarily of steel. Daily traffic averages 30,500 vehicles, placing it in the heavily-trafficked tier of Illinois bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How DESPLAINES RIV TRA compares
Live comparison across Illinois.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1995
- Material
- Steel
- Avg Daily Traffic
- 30,500 vehicles/day
- Structure Number
- 049900100000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether DESPLAINES RIV TRA 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 DESPLAINES RIV TRA against other structures in Lake 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 DESPLAINES RIV TRA?
DESPLAINES RIV TRA in Lake, Illinois on the FHWA's 0–9 scale.
How often is DESPLAINES RIV TRA inspected?
DESPLAINES RIV TRA'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 30,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. DESPLAINES RIV TRA is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for DESPLAINES RIV TRA?
An inventory load rating is not recorded for DESPLAINES RIV TRA.
Who is responsible for maintaining DESPLAINES RIV TRA?
Ownership is not specified for DESPLAINES RIV TRA in the NBI.
How old is DESPLAINES RIV TRA and does age affect safety?
DESPLAINES RIV TRA was built in 1995, making it 31 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.