Lock & Park Traffi
Carrying Lock & Park Traffi over Henderson River
Lock 18 Access Road, Henderson, Illinois
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Lock & Park Traffi in Henderson, Illinois sits above 15% of rated Illinois bridges on inventory load rating (26 t), while its 1937 build year is earlier than 91% of Henderson's recorded-year cohort (142 bridges).
Lock & Park Traffi in Henderson, Illinois is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1937, 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:CEPNCRIL-000002
PRE-1950 · STEEL · MULTI-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR
- PRE-1950 Pre-1950
- STEEL Steel
- 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: Lock & Park Traffi
The Lock & Park Traffi bridge in Henderson, Illinois carries Lock & Park Traffi over Henderson River. It was built in 1937, making it 89 years old today. The structure is built primarily of steel and spans 2 sections, stretching 37.1 meters (122 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by Army Corps of Engineers.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How Lock & Park Traffi compares
Age against the county: built in 1937, earlier than 129 of Henderson's 142 bridges with a recorded construction year (91%), against a county median build year of 1988. 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).
Lock & Park Traffi vs every rated Illinois bridge
Inventory load rating (metric tons), FHWA NBI, this state
26 Top 85% higher than 15% 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.
Henderson inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 142 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
- 1937
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 37.1 m (122 ft)
- Deck Width
- 6.6 m (22 ft)
- Owner
- Army Corps of Engineers
- Avg Daily Traffic
- 100 vehicles/day
- Structure Number
- CEPNCRIL-000002
Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • 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
Lock & Park Traffi 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 Lock & Park Traffi against other structures in Henderson 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 Lock & Park Traffi?
Lock & Park Traffi in Henderson, Illinois has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is Lock & Park Traffi inspected?
Lock & Park Traffi'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 100 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Lock & Park Traffi 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 Lock & Park Traffi?
Lock & Park Traffi has an NBI inventory load rating of 26.2 metric tons.
Who is responsible for maintaining Lock & Park Traffi?
Lock & Park Traffi is owned and maintained by Army Corps of Engineers.
How old is Lock & Park Traffi and does age affect safety?
Lock & Park Traffi was built in 1937, making it 89 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.