FHWA NBI 2024 Inspection record Public-domain dataset

ST145 REV BCH PKWY

Carrying ST145 REV BCH PKWY over RR MBTA/BMRR

.1 MI E OF ST 1A, Suffolk, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: ST145 REV BCH PKWY

The ST145 REV BCH PKWY bridge in Suffolk, Massachusetts carries ST145 REV BCH PKWY over RR MBTA/BMRR. It was built in 1899, making it 127 years old today. It was last reconstructed in 2015, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 30.6 meters (100 feet) end to end. Daily traffic averages 51,500 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 8/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.4 metric tons.

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

How ST145 REV BCH PKWY compares

▼ 8.8
Load rating vs Massachusetts average (41.2 t)
Bottom 28%
Lower load rating than 72% of Massachusetts bridges
494
Bridges in Suffolk · 34 in Poor condition
ST145 REV BCH PKWY 32.4 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
64.3 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
6.0
Essentiality /15
8.3
Special reductions
−5.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1899
Last Reconstructed
2015
Material
Steel
Number of Spans
1
Structure Length
30.6 m (100 ft)
Deck Width
23.6 m (77 ft)
Owner
State Highway Agency
Avg Daily Traffic
51,500 vehicles/day
Structure Number
R050014DBDOTNBI

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether ST145 REV BCH PKWY 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 ST145 REV BCH PKWY against other structures in Suffolk 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 ST145 REV BCH PKWY?

ST145 REV BCH PKWY in Suffolk, Massachusetts has a deck rating of 8/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is ST145 REV BCH PKWY inspected?

ST145 REV BCH PKWY'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 51,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ST145 REV BCH PKWY is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for ST145 REV BCH PKWY?

ST145 REV BCH PKWY has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining ST145 REV BCH PKWY?

ST145 REV BCH PKWY is owned and maintained by State Highway Agency.

How old is ST145 REV BCH PKWY and does age affect safety?

ST145 REV BCH PKWY was built in 1899, making it 127 years old and last reconstructed in 2015.

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.