FHWA NBI 2024 Inspection record Public-domain dataset

HWY CHESTNUT ST

Carrying HWY CHESTNUT ST over WATER CHARLES RIVER

0.16 KM N OF DEDHAM ST, Norfolk, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: HWY CHESTNUT ST

The HWY CHESTNUT ST bridge in Norfolk, Massachusetts carries HWY CHESTNUT ST over WATER CHARLES RIVER. It was built in 1922, making it 104 years old today. It was last reconstructed in 1977, extending its service life. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 33.8 meters (111 feet) end to end. Daily traffic averages 10,100 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 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 30.3 metric tons.

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

How HWY CHESTNUT ST compares

▼ 10.9
Load rating vs Massachusetts average (41.2 t)
Bottom 23%
Lower load rating than 77% of Massachusetts bridges
348
Bridges in Norfolk · 14 in Poor condition
HWY CHESTNUT ST 30.3 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
64.2 / 100 - historical 50–79.9 band
Structural adequacy /55
44.0
Serviceability /30
9.0
Essentiality /15
11.2
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
30.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1922
Last Reconstructed
1977
Material
Prestressed Concrete
Number of Spans
2
Structure Length
33.8 m (111 ft)
Deck Width
11.3 m (37 ft)
Owner
State Highway Agency
Avg Daily Traffic
10,100 vehicles/day
Structure Number
D10005367DOTNBI

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 5/9, 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 HWY CHESTNUT 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 CHESTNUT ST against other structures in Norfolk 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 CHESTNUT ST?

HWY CHESTNUT ST in Norfolk, Massachusetts has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is HWY CHESTNUT ST inspected?

HWY CHESTNUT 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 10,100 vehicles per day.

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

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

HWY CHESTNUT ST has an NBI inventory load rating of 30.3 metric tons.

Who is responsible for maintaining HWY CHESTNUT ST?

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

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

HWY CHESTNUT ST was built in 1922, making it 104 years old and last reconstructed in 1977.

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.