FHWA NBI 2024 Inspection record Public-domain dataset

HWY MAPLE SPRING

Carrying HWY MAPLE SPRING over ST 25

1.5 M E OF CHARGE PND RD, Plymouth, Massachusetts

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
37 t Inventory load rating Higher than 53% of rated Massachusetts bridges

HWY MAPLE SPRING in Plymouth, Massachusetts sits above 53% of rated Massachusetts bridges on inventory load rating (37 t), while its 1980 build year is earlier than 27% of Plymouth's recorded-year cohort (287 bridges).

HWY MAPLE SPRING in Plymouth, Massachusetts is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1980, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure MA:W060374AJDOTNBI

LATE-CENTURY · STEEL · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • STEEL Steel
  • MULTI-SPAN 2 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: HWY MAPLE SPRING

The HWY MAPLE SPRING bridge in Plymouth, Massachusetts carries HWY MAPLE SPRING over ST 25. It was built in 1980, making it 46 years old today. The structure is built primarily of steel and spans 2 sections, stretching 73.2 meters (240 feet) end to end. Daily traffic averages 9,100 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 6/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How HWY MAPLE SPRING compares

▼ 3.1
Load rating vs Massachusetts average (40.4 t; 5,295 rated)
287
Bridges in Plymouth · 17 in Poor condition

Age against the county: built in 1980, earlier than 78 of Plymouth's 287 bridges with a recorded construction year (27%), against a county median build year of 1962. This is one of the newer structures in its county.

HWY MAPLE SPRING 37.3 t
Massachusetts average (5,295 rated) 40.4 t

Live comparison across Massachusetts bridges with a recorded inventory load rating (5,295 rated).

HWY MAPLE SPRING vs every rated Massachusetts bridge

Inventory load rating (metric tons), FHWA NBI, this state

37 Top 47% higher than 53% of 5,295 bridges

rated Massachusetts bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
37.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Plymouth inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 287 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1980
Material
Steel
Number of Spans
2
Structure Length
73.2 m (240 ft)
Deck Width
17.5 m (57 ft)
Owner
State Highway Agency
Avg Daily Traffic
9,100 vehicles/day
Structure Number
W060374AJDOTNBI

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) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether HWY MAPLE SPRING 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 MAPLE SPRING 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 MAPLE SPRING?

HWY MAPLE SPRING in Plymouth, Massachusetts has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is HWY MAPLE SPRING inspected?

HWY MAPLE SPRING'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 9,100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY MAPLE SPRING 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 MAPLE SPRING?

HWY MAPLE SPRING has an NBI inventory load rating of 37.3 metric tons.

Who is responsible for maintaining HWY MAPLE SPRING?

HWY MAPLE SPRING is owned and maintained by State Highway Agency.

How old is HWY MAPLE SPRING and does age affect safety?

HWY MAPLE SPRING was built in 1980, making it 46 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.