FHWA NBI 2024 Inspection record Public-domain dataset

HWY LOCKE ST

Carrying HWY LOCKE ST over OTHER LITTLE RIVER CUL

JUST E OF RTE 97, Essex, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
62 t Inventory load rating

Bridge Snapshot: HWY LOCKE ST

The HWY LOCKE ST bridge in Essex, Massachusetts carries HWY LOCKE ST over OTHER LITTLE RIVER CUL. It was built in 1891, making it 135 years old today. The structure is built primarily of masonry and spans 1 section, stretching 9.4 meters (31 feet) end to end. Daily traffic averages 4,500 vehicles, placing it in the moderately-trafficked tier of Massachusetts bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 61.8 metric tons.

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

How HWY LOCKE ST compares

▲ 20.6
Load rating vs Massachusetts average (41.2 t)
Top 10%
Higher load rating than 90% of Massachusetts bridges
399
Bridges in Essex · 66 in Poor condition
HWY LOCKE ST 61.8 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
98.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
14.6
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 How the historical reference is calculated.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

Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
61.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1891
Material
Masonry
Number of Spans
1
Structure Length
9.4 m (31 ft)
Deck Width
15.6 m (51 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
4,500 vehicles/day
Structure Number
H120092PKMUNNBI

Condition Analysis

  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether HWY LOCKE ST 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 HWY LOCKE 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 LOCKE ST?

HWY LOCKE ST in Essex, Massachusetts, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HWY LOCKE ST inspected?

HWY LOCKE 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 4,500 vehicles per day.

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

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

HWY LOCKE ST has an NBI inventory load rating of 61.8 metric tons.

Who is responsible for maintaining HWY LOCKE ST?

HWY LOCKE ST is owned and maintained by City/Municipal Highway Agency.

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

HWY LOCKE ST was built in 1891, making it 135 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

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.