FHWA NBI 2024 Inspection record Public-domain dataset

HWY NORTON AVE

Carrying HWY NORTON AVE over WATER THREE MILE RIVER

.1 MI E OF RTE 140, Bristol, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
30 t Inventory load rating

Bridge Snapshot: HWY NORTON AVE

The HWY NORTON AVE bridge in Bristol, Massachusetts carries HWY NORTON AVE over WATER THREE MILE RIVER. It was built in 1984, making it 42 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 18.0 meters (59 feet) end to end. Daily traffic averages 9,310 vehicles, placing it in the moderately-trafficked tier of Massachusetts bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 30.1 metric tons.

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

How HWY NORTON AVE compares

▼ 11.1
Load rating vs Massachusetts average (41.2 t)
Bottom 22%
Lower load rating than 78% of Massachusetts bridges
384
Bridges in Bristol · 23 in Poor condition
HWY NORTON AVE 30.1 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
90.2 / 100 - historical 80–100 band
Structural adequacy /55
53.9
Serviceability /30
28.0
Essentiality /15
11.4
Special reductions
−3.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
30.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1984
Material
Prestressed Concrete
Number of Spans
1
Structure Length
18.0 m (59 ft)
Deck Width
11.0 m (36 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
9,310 vehicles/day
Structure Number
T010313K0MUNNBI

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether HWY NORTON AVE 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 HWY NORTON AVE against other structures in Bristol 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 HWY NORTON AVE?

HWY NORTON AVE in Bristol, Massachusetts has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HWY NORTON AVE inspected?

HWY NORTON AVE'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 9,310 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY NORTON AVE 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 HWY NORTON AVE?

HWY NORTON AVE has an NBI inventory load rating of 30.1 metric tons.

Who is responsible for maintaining HWY NORTON AVE?

HWY NORTON AVE is owned and maintained by City/Municipal Highway Agency.

How old is HWY NORTON AVE and does age affect safety?

HWY NORTON AVE was built in 1984, making it 42 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.