FHWA NBI 2024 Inspection record Public-domain dataset

HWY PLIMTH PLNTN

Carrying HWY PLIMTH PLNTN over WATER EEL RIVER

1.5 M E OF RTE 3, Plymouth, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
39 t Inventory load rating

Bridge Snapshot: HWY PLIMTH PLNTN

The HWY PLIMTH PLNTN bridge in Plymouth, Massachusetts carries HWY PLIMTH PLNTN over WATER EEL RIVER. It was built in 1951, making it 75 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 26.5 meters (87 feet) end to end. Daily traffic averages 25,600 vehicles, placing it in the heavily-trafficked tier of Massachusetts bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 38.8 metric tons.

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

How HWY PLIMTH PLNTN compares

▼ 2.4
Load rating vs Massachusetts average (41.2 t)
Top 45%
Higher load rating than 55% of Massachusetts bridges
287
Bridges in Plymouth · 16 in Poor condition
HWY PLIMTH PLNTN 38.8 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
80.7 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
27.0
Essentiality /15
10.8
Special reductions
−2.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
38.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1951
Material
Concrete Continuous
Number of Spans
3
Structure Length
26.5 m (87 ft)
Deck Width
14.3 m (47 ft)
Owner
State Highway Agency
Avg Daily Traffic
25,600 vehicles/day
Structure Number
P130254CKDOTNBI

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), 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.
  • 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 PLIMTH PLNTN 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 PLIMTH PLNTN 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 PLIMTH PLNTN?

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

How often is HWY PLIMTH PLNTN inspected?

HWY PLIMTH PLNTN'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 25,600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY PLIMTH PLNTN 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 PLIMTH PLNTN?

HWY PLIMTH PLNTN has an NBI inventory load rating of 38.8 metric tons.

Who is responsible for maintaining HWY PLIMTH PLNTN?

HWY PLIMTH PLNTN is owned and maintained by State Highway Agency.

How old is HWY PLIMTH PLNTN and does age affect safety?

HWY PLIMTH PLNTN was built in 1951, making it 75 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.