FHWA NBI 2024 Inspection record Public-domain dataset

HWY THURBER AVE

Carrying HWY THURBER AVE over RR AMTRAK/MBTA

AMTRAK RR MP 194/51, Bristol, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
38 t Inventory load rating

Bridge Snapshot: HWY THURBER AVE

The HWY THURBER AVE bridge in Bristol, Massachusetts carries HWY THURBER AVE over RR AMTRAK/MBTA. It was built in 1990, making it 36 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 21.0 meters (69 feet) end to end. Daily traffic averages 6,853 vehicles, placing it in the moderately-trafficked tier of Massachusetts bridges. It is owned and maintained by State 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. All reported major components score above the Poor range. Its NBI inventory load rating is 37.9 metric tons.

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

How HWY THURBER AVE compares

▼ 3.3
Load rating vs Massachusetts average (41.2 t)
Top 48%
Higher load rating than 52% of Massachusetts bridges
384
Bridges in Bristol · 23 in Poor condition
HWY THURBER AVE 37.9 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
71.8 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
7.0
Essentiality /15
12.8
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 How the historical reference is calculated.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
37.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1990
Material
Prestressed Concrete
Number of Spans
1
Structure Length
21.0 m (69 ft)
Deck Width
11.3 m (37 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,853 vehicles/day
Structure Number
A160283YTDOT634

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether HWY THURBER 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 THURBER 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 THURBER AVE?

HWY THURBER 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 THURBER AVE inspected?

HWY THURBER 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 6,853 vehicles per day.

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

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

HWY THURBER AVE has an NBI inventory load rating of 37.9 metric tons.

Who is responsible for maintaining HWY THURBER AVE?

HWY THURBER AVE is owned and maintained by State Highway Agency.

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

HWY THURBER AVE was built in 1990, making it 36 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.