FHWA NBI 2024 Inspection record Public-domain dataset

COMB US 6 & MACRR

Carrying COMB US 6 & MACRR over WATER WAREHAM RIVER

.1 MI E OF MAIN ST, Plymouth, Massachusetts

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
41 t Inventory load rating Higher than 63% of rated Massachusetts bridges

COMB US 6 & MACRR in Plymouth, Massachusetts sits above 63% of rated Massachusetts bridges on inventory load rating (41 t), while its 1992 build year is earlier than 20% of Plymouth's recorded-year cohort (287 bridges).

COMB US 6 & MACRR in Plymouth, Massachusetts is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1992, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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:W0600145JDOTNBI

LATE-CENTURY · STEEL · MULTI-SPAN · SUB-LED · HEAVY-ADT · HEAVY-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • STEEL Steel
  • MULTI-SPAN 3 spans
  • SUB-LED Substructure-led
  • HEAVY-ADT Heavy ADT
  • HEAVY-LOAD Heavy 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: COMB US 6 & MACRR

The COMB US 6 & MACRR bridge in Plymouth, Massachusetts carries COMB US 6 & MACRR over WATER WAREHAM RIVER. It was built in 1992, making it 34 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 57.7 meters (189 feet) end to end. Daily traffic averages 23,922 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 7/9, 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.

How COMB US 6 & MACRR compares

▲ 0.8
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 1992, earlier than 56 of Plymouth's 287 bridges with a recorded construction year (20%), against a county median build year of 1962. This is one of the newer structures in its county.

COMB US 6 & MACRR 41.2 t
Massachusetts average (5,295 rated) 40.4 t

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

COMB US 6 & MACRR vs every rated Massachusetts bridge

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

41 Top 37% higher than 63% 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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
41.2 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
1992
Material
Steel Continuous
Number of Spans
3
Structure Length
57.7 m (189 ft)
Deck Width
17.7 m (58 ft)
Owner
State Highway Agency
Avg Daily Traffic
23,922 vehicles/day
Structure Number
W0600145JDOTNBI

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.
  • 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 COMB US 6 & MACRR 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 COMB US 6 & MACRR 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 COMB US 6 & MACRR?

COMB US 6 & MACRR in Plymouth, Massachusetts has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is COMB US 6 & MACRR inspected?

COMB US 6 & MACRR'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 23,922 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COMB US 6 & MACRR 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 COMB US 6 & MACRR?

COMB US 6 & MACRR has an NBI inventory load rating of 41.2 metric tons.

Who is responsible for maintaining COMB US 6 & MACRR?

COMB US 6 & MACRR is owned and maintained by State Highway Agency.

How old is COMB US 6 & MACRR and does age affect safety?

COMB US 6 & MACRR was built in 1992, making it 34 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.