FHWA NBI 2024 Inspection record Public-domain dataset

HWY ADAMS ST

Carrying HWY ADAMS ST over TR RED HIGH SPEED LN

S OF LOWER MILLS, Norfolk, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
50 t Inventory load rating

Bridge Snapshot: HWY ADAMS ST

The HWY ADAMS ST bridge in Norfolk, Massachusetts carries HWY ADAMS ST over TR RED HIGH SPEED LN. It was built in 1927, making it 99 years old today. It was last reconstructed in 1999, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 24.2 meters (79 feet) end to end. Daily traffic averages 26,600 vehicles, placing it in the heavily-trafficked tier of Massachusetts bridges. It is owned and maintained by Other State Agencies.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 50.4 metric tons.

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

How HWY ADAMS ST compares

▲ 9.2
Load rating vs Massachusetts average (41.2 t)
Top 20%
Higher load rating than 80% of Massachusetts bridges
348
Bridges in Norfolk · 14 in Poor condition
HWY ADAMS ST 50.4 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
85.4 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.0
Essentiality /15
8.4
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
50.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1927
Last Reconstructed
1999
Material
Steel
Number of Spans
1
Structure Length
24.2 m (79 ft)
Deck Width
64.0 m (210 ft)
Owner
Other State Agencies
Avg Daily Traffic
26,600 vehicles/day
Structure Number
M250074UAMBTNBI

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether HWY ADAMS ST 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 ADAMS ST against other structures in Norfolk 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 ADAMS ST?

HWY ADAMS ST in Norfolk, Massachusetts has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is HWY ADAMS ST inspected?

HWY ADAMS ST'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 26,600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY ADAMS ST is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for HWY ADAMS ST?

HWY ADAMS ST has an NBI inventory load rating of 50.4 metric tons.

Who is responsible for maintaining HWY ADAMS ST?

HWY ADAMS ST is owned and maintained by Other State Agencies.

How old is HWY ADAMS ST and does age affect safety?

HWY ADAMS ST was built in 1927, making it 99 years old and last reconstructed in 1999.

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.