RTE I481
Carrying RTE I481 over CSX TRANS/AMTRAK
.2 MI N JCT I481SB &SH290, Onondaga, New York
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: RTE I481
The RTE I481 bridge in Onondaga, New York carries RTE I481 over CSX TRANS/AMTRAK. It was built in 1972, making it 54 years old today. The structure is built primarily of steel and spans 15 sections, stretching 654.1 meters (2146 feet) end to end. Daily traffic averages 22,378 vehicles, placing it in the heavily-trafficked tier of New York bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 39.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How RTE I481 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 How the historical reference is calculated.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
- 1972
- Material
- Steel
- Number of Spans
- 15
- Structure Length
- 654.1 m (2146 ft)
- Deck Width
- 11.3 m (37 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 22,378 vehicles/day
- Structure Number
- 000000001093571
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
- • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
How to read this record
RTE I481 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 I481 against other structures in Onondaga 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 I481?
RTE I481 in Onondaga, New York has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is RTE I481 inspected?
RTE I481'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 22,378 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. RTE I481 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 I481?
RTE I481 has an NBI inventory load rating of 39.0 metric tons.
Who is responsible for maintaining RTE I481?
RTE I481 is owned and maintained by State Highway Agency.
How old is RTE I481 and does age affect safety?
RTE I481 was built in 1972, making it 54 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.