FHWA NBI 2024 Inspection record Public-domain dataset

I 495

Carrying I 495 over WATER SUDBURY RIVER

0.2 MI N OF I-90, Worcester, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
100 t Inventory load rating

Bridge Snapshot: I 495

The I 495 bridge in Worcester, Massachusetts carries I 495 over WATER SUDBURY RIVER. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 10.4 meters (34 feet) end to end. Daily traffic averages 69,784 vehicles, placing it in the heavily-trafficked tier of Massachusetts bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert 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 99.9 metric tons.

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

How I 495 compares

▲ 58.7
Load rating vs Massachusetts average (41.2 t)
Top 4%
Higher load rating than 96% of Massachusetts bridges
1,016
Bridges in Worcester · 74 in Poor condition
I 495 99.9 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
70.0 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
0.0
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
99.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1966
Material
Concrete
Number of Spans
2
Structure Length
10.4 m (34 ft)
Owner
State Highway Agency
Avg Daily Traffic
69,784 vehicles/day
Structure Number
W240241U0DOTNBI

How to read this record

This page shows what the last federal inspection recorded, not whether I 495 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 I 495 against other structures in Worcester and across Massachusetts. Massachusetts 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 I 495?

I 495 in Worcester, Massachusetts on the FHWA's 0–9 scale.

How often is I 495 inspected?

I 495'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 69,784 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I 495 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 I 495?

I 495 has an NBI inventory load rating of 99.9 metric tons.

Who is responsible for maintaining I 495?

I 495 is owned and maintained by State Highway Agency.

How old is I 495 and does age affect safety?

I 495 was built in 1966, making it 60 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.