FHWA NBI 2024 Inspection record Public-domain dataset

HWY SCHOOL ST

Carrying HWY SCHOOL ST over ST128

.6 MI N MANCHESTER TOWN H, Essex, Massachusetts

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating Lower than 73% of rated Massachusetts bridges

HWY SCHOOL ST in Essex, Massachusetts sits above 27% of rated Massachusetts bridges on inventory load rating (32 t), while its 1952 build year is earlier than 65% of Essex's recorded-year cohort (394 bridges).

HWY SCHOOL ST in Essex, Massachusetts is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1952, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:M0201531DDOTNBI

INTERSTATE-ERA · STEEL · MULTI-SPAN · SUPER-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 2 spans
  • SUPER-LED Superstructure-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

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: HWY SCHOOL ST

The HWY SCHOOL ST bridge in Essex, Massachusetts carries HWY SCHOOL ST over ST128. It was built in 1952, making it 74 years old today. The structure is built primarily of steel continuous and spans 2 sections, stretching 35.9 meters (118 feet) end to end. Daily traffic averages 8,200 vehicles, placing it in the moderately-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 4/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.

How HWY SCHOOL ST compares

▼ 8.9
Load rating vs Massachusetts average (40.4 t; 5,295 rated)
395
Bridges in Essex · 68 in Poor condition

Age against the county: built in 1952, earlier than 258 of Essex's 394 bridges with a recorded construction year (65%), against a county median build year of 1962. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

HWY SCHOOL ST 31.5 t
Massachusetts average (5,295 rated) 40.4 t

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

HWY SCHOOL ST vs every rated Massachusetts bridge

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

32 Top 73% higher than 27% 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
5/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
31.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Essex inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 395 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
1952
Material
Steel Continuous
Number of Spans
2
Structure Length
35.9 m (118 ft)
Deck Width
14.9 m (49 ft)
Owner
State Highway Agency
Avg Daily Traffic
8,200 vehicles/day
Structure Number
M0201531DDOTNBI

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

HWY SCHOOL ST is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare HWY SCHOOL ST 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 HWY SCHOOL ST?

HWY SCHOOL ST in Essex, Massachusetts has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is HWY SCHOOL ST inspected?

HWY SCHOOL ST'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 8,200 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY SCHOOL ST is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for HWY SCHOOL ST?

HWY SCHOOL ST has an NBI inventory load rating of 31.5 metric tons.

Who is responsible for maintaining HWY SCHOOL ST?

HWY SCHOOL ST is owned and maintained by State Highway Agency.

How old is HWY SCHOOL ST and does age affect safety?

HWY SCHOOL ST was built in 1952, making it 74 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.