FHWA NBI 2024 Inspection record Public-domain dataset

HWY W CHESTNT ST

Carrying HWY W CHESTNT ST over WATER COWEESET BROOK

.3 MI W EASTON, Plymouth, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
25 t Inventory load rating

Bridge Snapshot: HWY W CHESTNT ST

The HWY W CHESTNT ST bridge in Plymouth, Massachusetts carries HWY W CHESTNT ST over WATER COWEESET BROOK. It was built in 1970, making it 56 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 16.5 meters (54 feet) end to end. Daily traffic averages 24,310 vehicles, placing it in the heavily-trafficked tier of Massachusetts bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 25.2 metric tons.

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

How HWY W CHESTNT ST compares

▼ 16.0
Load rating vs Massachusetts average (41.2 t)
Bottom 12%
Lower load rating than 88% of Massachusetts bridges
287
Bridges in Plymouth · 16 in Poor condition
HWY W CHESTNT ST 25.2 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
89.3 / 100 - historical 80–100 band
Structural adequacy /55
48.7
Serviceability /30
30.0
Essentiality /15
12.5
Special reductions
−2.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
25.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1970
Material
Concrete Continuous
Number of Spans
3
Structure Length
16.5 m (54 ft)
Deck Width
19.5 m (64 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
24,310 vehicles/day
Structure Number
B25057432MUNNBI

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • 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 W CHESTNT 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 W CHESTNT ST against other structures in Plymouth 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 W CHESTNT ST?

HWY W CHESTNT ST in Plymouth, Massachusetts has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HWY W CHESTNT ST inspected?

HWY W CHESTNT 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 24,310 vehicles per day.

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

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

HWY W CHESTNT ST has an NBI inventory load rating of 25.2 metric tons.

Who is responsible for maintaining HWY W CHESTNT ST?

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

How old is HWY W CHESTNT ST and does age affect safety?

HWY W CHESTNT ST was built in 1970, making it 56 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.