RTE 55A
Carrying RTE 55A over RONDOUT CREEK
NEAR JCT SH 55A & CR 153, Sullivan, New York
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: RTE 55A
The RTE 55A bridge in Sullivan, New York carries RTE 55A over RONDOUT CREEK. It was built in 1939, making it 87 years old today. It was last reconstructed in 2016, extending its service life. The structure is built primarily of steel and spans 3 sections, stretching 46.0 meters (151 feet) end to end. Daily traffic averages 854 vehicles, placing it in the lower-traffic tier of New York bridges. It is owned and maintained by Other Local Agencies.
The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 81.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How RTE 55A 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 How the historical reference is calculated.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
- 1939
- Last Reconstructed
- 2016
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 46.0 m (151 ft)
- Deck Width
- 9.8 m (32 ft)
- Owner
- Other Local Agencies
- Avg Daily Traffic
- 854 vehicles/day
- Structure Number
- 000000005523640
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether RTE 55A is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare RTE 55A against other structures in Sullivan 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 55A?
RTE 55A in Sullivan, New York has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is RTE 55A inspected?
RTE 55A'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 854 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. RTE 55A is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for RTE 55A?
RTE 55A has an NBI inventory load rating of 81.6 metric tons.
Who is responsible for maintaining RTE 55A?
RTE 55A is owned and maintained by Other Local Agencies.
How old is RTE 55A and does age affect safety?
RTE 55A was built in 1939, making it 87 years old and last reconstructed in 2016.
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.