FHWA NBI 2024 Inspection record Public-domain dataset

RTE 46

Carrying RTE 46 over ONEIDA CREEK

0.1 MI N JCT RTS 46 & 316, Madison, New York

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
43 t Inventory load rating

Bridge Snapshot: RTE 46

The RTE 46 bridge in Madison, New York carries RTE 46 over ONEIDA CREEK. It was built in 1957, making it 69 years old today. The structure is built primarily of steel and spans 2 sections, stretching 50.9 meters (167 feet) end to end. Daily traffic averages 3,427 vehicles, placing it in the moderately-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 3/9, superstructure at 5/9, substructure 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 42.6 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How RTE 46 compares

▲ 0.7
Load rating vs New York average (41.9 t)
Top 42%
Higher load rating than 58% of New York bridges
175
Bridges in Madison · 11 in Poor condition
RTE 46 42.6 t
New York average 41.9 t

Live comparison across New York.

Historical Sufficiency Rating

PlainBridge-computed
58.2 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
16.0
Essentiality /15
13.2
Special reductions
−1.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
3/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
42.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1957
Material
Steel
Number of Spans
2
Structure Length
50.9 m (167 ft)
Deck Width
13.2 m (43 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,427 vehicles/day
Structure Number
000000001025680

Condition Analysis

  • The deck (driving surface) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

RTE 46 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 46 against other structures in Madison 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 46?

RTE 46 in Madison, New York has a deck rating of 3/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is RTE 46 inspected?

RTE 46'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 3,427 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. RTE 46 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 46?

RTE 46 has an NBI inventory load rating of 42.6 metric tons.

Who is responsible for maintaining RTE 46?

RTE 46 is owned and maintained by State Highway Agency.

How old is RTE 46 and does age affect safety?

RTE 46 was built in 1957, making it 69 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.