Danne Road (TR 221
Carrying Danne Road (TR 221 over Branch Plum Creek
0.7 M E of Klemme Rd, Will, Illinois
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Danne Road (TR 221 in Will, Illinois sits above 66% of rated Illinois bridges on inventory load rating (35 t), while its 2020 build year is earlier than 1% of Will's recorded-year cohort (649 bridges).
Danne Road (TR 221 in Will, Illinois is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2020, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. 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:099307200000000
POST-2000 · CONCRETE · SINGLE-SPAN · DECK-LED · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD
- POST-2000 2000+
- CONCRETE Concrete
- SINGLE-SPAN Single span
- DECK-LED Deck-led
- 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: Danne Road (TR 221
The Danne Road (TR 221 bridge in Will, Illinois carries Danne Road (TR 221 over Branch Plum Creek. It was built in 2020, making it 6 years old today. The structure is built primarily of concrete and spans 1 section, stretching 13.8 meters (45 feet) end to end. Daily traffic averages 525 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 7/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.
How Danne Road (TR 221 compares
Age against the county: built in 2020, earlier than 9 of Will's 649 bridges with a recorded construction year (1%), against a county median build year of 1990. This is one of the newer structures in its county.
Live comparison across Illinois bridges with a recorded inventory load rating (26,904 of 26,928 rated).
Danne Road (TR 221 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.
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
- 2020
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 13.8 m (45 ft)
- Deck Width
- 10.1 m (33 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 525 vehicles/day
- Structure Number
- 099307200000000
Condition Analysis
- • The deck (driving surface) is in good condition (7/9), 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.
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 Danne Road (TR 221 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 Danne Road (TR 221 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 Danne Road (TR 221?
Danne Road (TR 221 in Will, Illinois has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is Danne Road (TR 221 inspected?
Danne Road (TR 221'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 525 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Danne Road (TR 221 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 Danne Road (TR 221?
Danne Road (TR 221 has an NBI inventory load rating of 34.7 metric tons.
Who is responsible for maintaining Danne Road (TR 221?
Danne Road (TR 221 is owned and maintained by Town/Township Highway Agency.
How old is Danne Road (TR 221 and does age affect safety?
Danne Road (TR 221 was built in 2020, making it 6 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.