FHWA NBI 2024 Inspection record Public-domain dataset

NUMBER FOUR ROAD

Carrying NUMBER FOUR ROAD over BLACK RIVER

0.2 MI W OF WATSON, Lewis, New York

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
45 t Inventory load rating

Bridge Snapshot: NUMBER FOUR ROAD

The NUMBER FOUR ROAD bridge in Lewis, New York carries NUMBER FOUR ROAD over BLACK RIVER. It was built in 1963, making it 63 years old today. It was last reconstructed in 2004, extending its service life. The structure is built primarily of steel continuous and spans 4 sections, stretching 114.3 meters (375 feet) end to end. Daily traffic averages 4,260 vehicles, placing it in the moderately-trafficked tier of New York bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. 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 44.5 metric tons.

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

How NUMBER FOUR ROAD compares

▲ 2.6
Load rating vs New York average (41.9 t)
Top 38%
Higher load rating than 62% of New York bridges
163
Bridges in Lewis · 26 in Poor condition
NUMBER FOUR ROAD 44.5 t
New York average 41.9 t

Live comparison across New York.

Historical Sufficiency Rating

PlainBridge-computed
75.6 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
10.0
Essentiality /15
10.6
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
44.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1963
Last Reconstructed
2004
Material
Steel Continuous
Number of Spans
4
Structure Length
114.3 m (375 ft)
Deck Width
11.1 m (36 ft)
Owner
County Highway Agency
Avg Daily Traffic
4,260 vehicles/day
Structure Number
000000003339790

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether NUMBER FOUR ROAD 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 NUMBER FOUR ROAD against other structures in Lewis 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 NUMBER FOUR ROAD?

NUMBER FOUR ROAD in Lewis, New York has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is NUMBER FOUR ROAD inspected?

NUMBER FOUR 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 4,260 vehicles per day.

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

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

NUMBER FOUR ROAD has an NBI inventory load rating of 44.5 metric tons.

Who is responsible for maintaining NUMBER FOUR ROAD?

NUMBER FOUR ROAD is owned and maintained by County Highway Agency.

How old is NUMBER FOUR ROAD and does age affect safety?

NUMBER FOUR ROAD was built in 1963, making it 63 years old and last reconstructed in 2004.

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.