HWY POWDER PT AV
Carrying HWY POWDER PT AV over WATER DUXBURY BAY
1 MI E OF WASHINGTON ST, Plymouth, Massachusetts
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: HWY POWDER PT AV
The HWY POWDER PT AV bridge in Plymouth, Massachusetts carries HWY POWDER PT AV over WATER DUXBURY BAY. It was built in 1987, making it 39 years old today. The structure is built primarily of wood or timber and spans 110 sections, stretching 672.4 meters (2206 feet) end to end. Daily traffic averages 1,950 vehicles, placing it in the moderately-trafficked tier of Massachusetts bridges. It is owned and maintained by Town/Township Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 3/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 5.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How HWY POWDER PT AV compares
Live comparison across Massachusetts.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1987
- Material
- Wood or Timber
- Number of Spans
- 110
- Structure Length
- 672.4 m (2206 ft)
- Deck Width
- 8.4 m (28 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 1,950 vehicles/day
- Structure Number
- D14003438MUNNBI
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
How to read this record
HWY POWDER PT AV is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare HWY POWDER PT AV against other structures in Plymouth 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 POWDER PT AV?
HWY POWDER PT AV in Plymouth, Massachusetts has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is HWY POWDER PT AV inspected?
HWY POWDER PT AV'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 1,950 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. HWY POWDER PT AV is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for HWY POWDER PT AV?
HWY POWDER PT AV has an NBI inventory load rating of 5.9 metric tons.
Who is responsible for maintaining HWY POWDER PT AV?
HWY POWDER PT AV is owned and maintained by Town/Township Highway Agency.
How old is HWY POWDER PT AV and does age affect safety?
HWY POWDER PT AV was built in 1987, making it 39 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.
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.