TIMBER CREEK RD
Carrying TIMBER CREEK RD over SUGAR CREEK
0.1 MI W SUGAR GROVE, Lee, Illinois
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
TIMBER CREEK RD in Lee, Illinois sits above 63% of rated Illinois bridges on inventory load rating (33 t), while its 1969 build year is earlier than 75% of Lee's recorded-year cohort (371 bridges).
TIMBER CREEK RD in Lee, Illinois is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1969, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. 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:052450200000000
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- SUB-LED Substructure-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard 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: TIMBER CREEK RD
The TIMBER CREEK RD bridge in Lee, Illinois carries TIMBER CREEK RD over SUGAR CREEK. It was built in 1969, making it 57 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 18.7 meters (61 feet) end to end. Daily traffic averages 125 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 7/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.
How TIMBER CREEK RD compares
Age against the county: built in 1969, earlier than 277 of Lee's 371 bridges with a recorded construction year (75%), against a county median build year of 1982. 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).
TIMBER CREEK RD vs every rated Illinois bridge
Inventory load rating (metric tons), FHWA NBI, this state
33 Top 37% higher than 63% 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.
Lee inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 371 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
- 1969
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 18.7 m (61 ft)
- Deck Width
- 8.0 m (26 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 125 vehicles/day
- Structure Number
- 052450200000000
Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
TIMBER CREEK RD 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 TIMBER CREEK RD against other structures in Lee 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 TIMBER CREEK RD?
TIMBER CREEK RD in Lee, Illinois has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is TIMBER CREEK RD inspected?
TIMBER CREEK 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 125 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TIMBER CREEK RD 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 TIMBER CREEK RD?
TIMBER CREEK RD has an NBI inventory load rating of 33.4 metric tons.
Who is responsible for maintaining TIMBER CREEK RD?
TIMBER CREEK RD is owned and maintained by Town/Township Highway Agency.
How old is TIMBER CREEK RD and does age affect safety?
TIMBER CREEK RD was built in 1969, making it 57 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.
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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.