STONEBRIDGE ROAD
Carrying STONEBRIDGE ROAD over HICKORY CREEK TRIB
0.01 M N OF IRONWOOD, Will, Illinois
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
STONEBRIDGE ROAD in Will, Illinois sits above 3% of rated Illinois bridges on inventory load rating (16 t), while its 1980 build year is earlier than 62% of Will's recorded-year cohort (649 bridges).
STONEBRIDGE ROAD in Will, Illinois is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1980, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 2. The lowest applicable rating sets the federal condition category, so this Poor 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:099601400000000
LATE-CENTURY · PRESTRESS · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · LIGHT-LOAD · CAT-POOR
- LATE-CENTURY 1980–1999
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- LOCAL-ADT Local ADT
- LIGHT-LOAD Light load
- CAT-POOR Poor
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: STONEBRIDGE ROAD
The STONEBRIDGE ROAD bridge in Will, Illinois carries STONEBRIDGE ROAD over HICKORY CREEK TRIB. It was built in 1980, making it 46 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 8.8 meters (29 feet) end to end. Daily traffic averages 275 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by Private.
The latest FHWA inspection records show a deck rating of 2/9, superstructure at 2/9, substructure at 8/9. The weakest component sits in critical condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How STONEBRIDGE ROAD compares
Age against the county: built in 1980, earlier than 404 of Will's 649 bridges with a recorded construction year (62%), against a county median build year of 1990. 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).
STONEBRIDGE ROAD vs every rated Illinois bridge
Inventory load rating (metric tons), FHWA NBI, this state
16 Top 97% higher than 3% 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.
Will inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 649 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
- 1980
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 8.8 m (29 ft)
- Deck Width
- 7.8 m (26 ft)
- Owner
- Private
- Avg Daily Traffic
- 275 vehicles/day
- Structure Number
- 099601400000000
Condition Analysis
- • The deck (driving surface) rates critical at 2/9, with severe deterioration on the latest inspection.
- • The superstructure (beams and supports above the deck) is in critical condition (2/9), with severe deterioration recorded on the inspecting agency's 0-9 scale.
- • 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
STONEBRIDGE ROAD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare STONEBRIDGE ROAD against other structures in Will 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 STONEBRIDGE ROAD?
STONEBRIDGE ROAD in Will, Illinois has a deck rating of 2/9, superstructure rating of 2/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is STONEBRIDGE ROAD inspected?
STONEBRIDGE 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 275 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. STONEBRIDGE ROAD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for STONEBRIDGE ROAD?
STONEBRIDGE ROAD has an NBI inventory load rating of 15.9 metric tons.
Who is responsible for maintaining STONEBRIDGE ROAD?
STONEBRIDGE ROAD is owned and maintained by Private.
How old is STONEBRIDGE ROAD and does age affect safety?
STONEBRIDGE ROAD was built in 1980, making it 46 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.
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.