FHWA NBI 2024 Inspection record Public-domain dataset

DUNBARTON ROAD

Carrying DUNBARTON ROAD over OLD ERIE CANAL

5 MI S.W. OF NEW LONDON, Oneida, New York

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
30 t Inventory load rating

Bridge Snapshot: DUNBARTON ROAD

The DUNBARTON ROAD bridge in Oneida, New York carries DUNBARTON ROAD over OLD ERIE CANAL. It was built in 1927, making it 99 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 57 vehicles, placing it in the lower-traffic tier of New York bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, 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 29.8 metric tons.

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

How DUNBARTON ROAD compares

▼ 12.1
Load rating vs New York average (41.9 t)
Bottom 22%
Lower load rating than 78% of New York bridges
509
Bridges in Oneida · 54 in Poor condition
DUNBARTON ROAD 29.8 t
New York average 41.9 t

Live comparison across New York.

Historical Sufficiency Rating

PlainBridge-computed
64.6 / 100 - historical 50–79.9 band
Structural adequacy /55
28.6
Serviceability /30
21.0
Essentiality /15
15.0
Special reductions
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
29.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1927
Material
Concrete
Number of Spans
1
Structure Length
7.0 m (23 ft)
Deck Width
6.9 m (23 ft)
Owner
State Highway Agency
Avg Daily Traffic
57 vehicles/day
Structure Number
000000004426400

Condition Analysis

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

How to read this record

DUNBARTON 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 DUNBARTON ROAD against other structures in Oneida 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 DUNBARTON ROAD?

DUNBARTON ROAD in Oneida, New York has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is DUNBARTON ROAD inspected?

DUNBARTON 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 57 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. DUNBARTON 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 DUNBARTON ROAD?

DUNBARTON ROAD has an NBI inventory load rating of 29.8 metric tons.

Who is responsible for maintaining DUNBARTON ROAD?

DUNBARTON ROAD is owned and maintained by State Highway Agency.

How old is DUNBARTON ROAD and does age affect safety?

DUNBARTON ROAD was built in 1927, making it 99 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.