FHWA NBI 2024 Inspection record Public-domain dataset

ST147 MEMORIAL AVE

Carrying ST147 MEMORIAL AVE over COMB AMTRAK & CONN RIV

MEMRL BR RR#61.43, Hampden, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
42 t Inventory load rating

Bridge Snapshot: ST147 MEMORIAL AVE

The ST147 MEMORIAL AVE bridge in Hampden, Massachusetts carries ST147 MEMORIAL AVE over COMB AMTRAK & CONN RIV. It was built in 1922, making it 104 years old today. It was last reconstructed in 1996, extending its service life. The structure is built primarily of concrete and spans 7 sections, stretching 471.2 meters (1546 feet) end to end. Daily traffic averages 16,600 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 6/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 42.1 metric tons.

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

How ST147 MEMORIAL AVE compares

▲ 0.9
Load rating vs Massachusetts average (41.2 t)
Top 37%
Higher load rating than 63% of Massachusetts bridges
429
Bridges in Hampden · 30 in Poor condition
ST147 MEMORIAL AVE 42.1 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
45.0
Serviceability /30
9.0
Essentiality /15
11.3
Special reductions
−1.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1922
Last Reconstructed
1996
Material
Concrete
Number of Spans
7
Structure Length
471.2 m (1546 ft)
Deck Width
25.2 m (83 ft)
Owner
State Highway Agency
Avg Daily Traffic
16,600 vehicles/day
Structure Number
S2403015BDOTNBI

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 (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether ST147 MEMORIAL AVE 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 ST147 MEMORIAL AVE against other structures in Hampden 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 ST147 MEMORIAL AVE?

ST147 MEMORIAL AVE in Hampden, 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 ST147 MEMORIAL AVE inspected?

ST147 MEMORIAL AVE'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 16,600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ST147 MEMORIAL AVE 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 ST147 MEMORIAL AVE?

ST147 MEMORIAL AVE has an NBI inventory load rating of 42.1 metric tons.

Who is responsible for maintaining ST147 MEMORIAL AVE?

ST147 MEMORIAL AVE is owned and maintained by State Highway Agency.

How old is ST147 MEMORIAL AVE and does age affect safety?

ST147 MEMORIAL AVE was built in 1922, making it 104 years old and last reconstructed in 1996.

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.