DYKE ROAD
Carrying DYKE ROAD over FERGUSON CREEK FERGUSON
1 MI SW OF WEST SCHUYLER, Herkimer, New York
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
DYKE ROAD in Herkimer, New York sits above 6% of rated New York bridges on inventory load rating (20 t), while its 1965 build year is earlier than 62% of Herkimer's recorded-year cohort (248 bridges).
DYKE ROAD in Herkimer, New York is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1965, it carries 1 rated component 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 NY:000000003366130
INTERSTATE-ERA · STEEL · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · LIGHT-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial 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: DYKE ROAD
The DYKE ROAD bridge in Herkimer, New York carries DYKE ROAD over FERGUSON CREEK FERGUSON. It was built in 1965, making it 61 years old today. The structure is built primarily of steel and spans 2 sections, stretching 10.4 meters (34 feet) end to end. Daily traffic averages 6,235 vehicles, placing it in the moderately-trafficked tier of New York bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert 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 DYKE ROAD compares
Age against the county: built in 1965, earlier than 154 of Herkimer's 248 bridges with a recorded construction year (62%), against a county median build year of 1980. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across New York bridges with a recorded inventory load rating (17,641 of 17,642 rated).
DYKE ROAD vs every rated New York bridge
Inventory load rating (metric tons), FHWA NBI, this state
20 Top 94% higher than 6% of 17,641 bridges
rated New York 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.
Herkimer inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 248 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
- 1965
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 10.4 m (34 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 6,235 vehicles/day
- Structure Number
- 000000003366130
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
DYKE 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 DYKE ROAD against other structures in Herkimer and across New York. New York 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 DYKE ROAD?
DYKE ROAD in Herkimer, New York on the FHWA's 0–9 scale.
How often is DYKE ROAD inspected?
DYKE 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 6,235 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. DYKE 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 DYKE ROAD?
DYKE ROAD has an NBI inventory load rating of 19.6 metric tons.
Who is responsible for maintaining DYKE ROAD?
DYKE ROAD is owned and maintained by County Highway Agency.
How old is DYKE ROAD and does age affect safety?
DYKE ROAD was built in 1965, making it 61 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.