SAMPSON STREET
Carrying SAMPSON STREET over PETTIBONE CREEK
0.5 KM S OF DECATUR AVE, Lake, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SAMPSON STREET
The SAMPSON STREET bridge in Lake, Illinois carries SAMPSON STREET over PETTIBONE CREEK. It was built in 1926, making it 100 years old today. It was last reconstructed in 1985, extending its service life. The structure is built primarily of concrete and spans 3 sections, stretching 105.2 meters (345 feet) end to end. Daily traffic averages 1,260 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by Army.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 10.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SAMPSON STREET compares
Live comparison across Illinois.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1926
- Last Reconstructed
- 1985
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 105.2 m (345 ft)
- Deck Width
- 12.2 m (40 ft)
- Owner
- Army
- Avg Daily Traffic
- 1,260 vehicles/day
- Structure Number
- 1IL00S9
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
SAMPSON STREET 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 SAMPSON STREET 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 SAMPSON STREET?
SAMPSON STREET in Lake, Illinois has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is SAMPSON STREET inspected?
SAMPSON STREET'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 1,260 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SAMPSON STREET 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 SAMPSON STREET?
SAMPSON STREET has an NBI inventory load rating of 10.9 metric tons.
Who is responsible for maintaining SAMPSON STREET?
SAMPSON STREET is owned and maintained by Army.
How old is SAMPSON STREET and does age affect safety?
SAMPSON STREET was built in 1926, making it 100 years old and last reconstructed in 1985.
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.