FHWA NBI 2024 Inspection record Public-domain dataset

I 95 SB/ST128 SB

Carrying I 95 SB/ST128 SB over HWY SUMMER ST

0.5 MI S OF US-1, Essex, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
52 t Inventory load rating

Bridge Snapshot: I 95 SB/ST128 SB

The I 95 SB/ST128 SB bridge in Essex, Massachusetts carries I 95 SB/ST128 SB over HWY SUMMER ST. It was built in 1940, making it 86 years old today. It was last reconstructed in 1960, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 55,400 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 superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 51.8 metric tons.

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

How I 95 SB/ST128 SB compares

▲ 10.6
Load rating vs Massachusetts average (41.2 t)
Top 18%
Higher load rating than 82% of Massachusetts bridges
399
Bridges in Essex · 66 in Poor condition
I 95 SB/ST128 SB 51.8 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
87.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
5.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1940
Last Reconstructed
1960
Material
Concrete
Number of Spans
1
Structure Length
18.3 m (60 ft)
Deck Width
20.5 m (67 ft)
Owner
State Highway Agency
Avg Daily Traffic
55,400 vehicles/day
Structure Number
L190072W7DOTNBI

Condition Analysis

  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, 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 I 95 SB/ST128 SB 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 I 95 SB/ST128 SB against other structures in Essex 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 I 95 SB/ST128 SB?

I 95 SB/ST128 SB in Essex, Massachusetts, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is I 95 SB/ST128 SB inspected?

I 95 SB/ST128 SB'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 55,400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I 95 SB/ST128 SB 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 I 95 SB/ST128 SB?

I 95 SB/ST128 SB has an NBI inventory load rating of 51.8 metric tons.

Who is responsible for maintaining I 95 SB/ST128 SB?

I 95 SB/ST128 SB is owned and maintained by State Highway Agency.

How old is I 95 SB/ST128 SB and does age affect safety?

I 95 SB/ST128 SB was built in 1940, making it 86 years old and last reconstructed in 1960.

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.