RTE I90
Carrying RTE I90 over KNAPP CREEK
3.6 MI E OF EXIT 31 RAMP, Herkimer, New York
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: RTE I90
The RTE I90 bridge in Herkimer, New York carries RTE I90 over KNAPP CREEK. It was built in 1954, making it 72 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 7.8 meters (26 feet) end to end. Daily traffic averages 20,495 vehicles, placing it in the heavily-trafficked tier of New York bridges. It is owned and maintained by State Toll Authority.
The latest FHWA inspection records show culvert at 4/9. 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 27.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How RTE I90 compares
Live comparison across New York.
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 How the historical reference is calculated.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
- 1954
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 7.8 m (26 ft)
- Owner
- State Toll Authority
- Avg Daily Traffic
- 20,495 vehicles/day
- Structure Number
- 000000005516110
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
RTE I90 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 RTE I90 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 RTE I90?
RTE I90 in Herkimer, New York on the FHWA's 0–9 scale.
How often is RTE I90 inspected?
RTE I90'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 20,495 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. RTE I90 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 RTE I90?
RTE I90 has an NBI inventory load rating of 27.9 metric tons.
Who is responsible for maintaining RTE I90?
RTE I90 is owned and maintained by State Toll Authority.
How old is RTE I90 and does age affect safety?
RTE I90 was built in 1954, making it 72 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.
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.