FHWA NBI 2024 Inspection record Public-domain dataset

HWY FIRST ST

Carrying HWY FIRST ST over WATER BROAD CANAL

.16 KM N OF LONGFELLOW BR, Middlesex, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
13 t Inventory load rating

Bridge Snapshot: HWY FIRST ST

The HWY FIRST ST bridge in Middlesex, Massachusetts carries HWY FIRST ST over WATER BROAD CANAL. It was built in 1924, making it 102 years old today. It was last reconstructed in 2000, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 36.6 meters (120 feet) end to end. Daily traffic averages 17,844 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 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 12.9 metric tons.

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

How HWY FIRST ST compares

▼ 28.3
Load rating vs Massachusetts average (41.2 t)
Bottom 2%
Lower load rating than 98% of Massachusetts bridges
820
Bridges in Middlesex · 72 in Poor condition
HWY FIRST ST 12.9 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
33.1 / 100 - historical 20–49.9 band
Structural adequacy /55
2.0
Serviceability /30
22.0
Essentiality /15
9.1
Special reductions
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
12.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1924
Last Reconstructed
2000
Material
Steel
Number of Spans
1
Structure Length
36.6 m (120 ft)
Deck Width
16.9 m (55 ft)
Owner
State Highway Agency
Avg Daily Traffic
17,844 vehicles/day
Structure Number
C010084DMDOTNBI

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

HWY FIRST 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 FIRST ST against other structures in Middlesex 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 FIRST ST?

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

How often is HWY FIRST ST inspected?

HWY FIRST 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 17,844 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY FIRST 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 FIRST ST?

HWY FIRST ST has an NBI inventory load rating of 12.9 metric tons.

Who is responsible for maintaining HWY FIRST ST?

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

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

HWY FIRST ST was built in 1924, making it 102 years old and last reconstructed in 2000.

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.