Jankowski Rd/ TR85
Carrying Jankowski Rd/ TR85 over Slough Creek
0.7M W IL47, McHenry, Illinois
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Jankowski Rd/ TR85 in McHenry, Illinois is rated Good in the FHWA's 2024 National Bridge Inventory.
Built in 1975, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure IL:056311600000000
INTERSTATE-ERA · PRESTRESS · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: Jankowski Rd/ TR85
The Jankowski Rd/ TR85 bridge in McHenry, Illinois carries Jankowski Rd/ TR85 over Slough Creek. It was built in 1975, making it 51 years old today. It was last reconstructed in 2012, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 15.7 meters (52 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 Town/Township 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.
How Jankowski Rd/ TR85 compares
Age against the county: built in 1975, earlier than 145 of McHenry's 227 bridges with a recorded construction year (64%), against a county median build year of 1985. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Illinois bridges with a recorded inventory load rating (26,904 of 26,928 rated).
Jankowski Rd/ TR85 vs every rated Illinois bridge
Inventory load rating (metric tons), FHWA NBI, this state
35 Top 34% higher than 66% of 26,904 bridges
rated Illinois bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
McHenry inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 227 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1975
- Last Reconstructed
- 2012
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 15.7 m (52 ft)
- Deck Width
- 8.2 m (27 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 175 vehicles/day
- Structure Number
- 056311600000000
Condition Analysis
- • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
- • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.
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 Jankowski Rd/ TR85 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 Jankowski Rd/ TR85 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 Jankowski Rd/ TR85?
Jankowski Rd/ TR85 in McHenry, 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 Jankowski Rd/ TR85 inspected?
Jankowski Rd/ TR85'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. Jankowski Rd/ TR85 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 Jankowski Rd/ TR85?
Jankowski Rd/ TR85 has an NBI inventory load rating of 35.0 metric tons.
Who is responsible for maintaining Jankowski Rd/ TR85?
Jankowski Rd/ TR85 is owned and maintained by Town/Township Highway Agency.
How old is Jankowski Rd/ TR85 and does age affect safety?
Jankowski Rd/ TR85 was built in 1975, making it 51 years old and last reconstructed in 2012.
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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.