ST 37 WASHNGTON ST
Carrying ST 37 WASHNGTON ST over WATER MONATIQUOT RIVER
ST 37 AT PLAIN ST, Norfolk, Massachusetts
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: ST 37 WASHNGTON ST
The ST 37 WASHNGTON ST bridge in Norfolk, Massachusetts carries ST 37 WASHNGTON ST over WATER MONATIQUOT RIVER. It was built in 1924, making it 102 years old today. It was last reconstructed in 1982, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 14.6 meters (48 feet) end to end. Daily traffic averages 32,800 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. All reported major components score above the Poor range. Its NBI inventory load rating is 39.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How ST 37 WASHNGTON ST compares
Live comparison across Massachusetts.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1924
- Last Reconstructed
- 1982
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 14.6 m (48 ft)
- Deck Width
- 22.9 m (75 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 32,800 vehicles/day
- Structure Number
- B2101634GDOTNBI
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗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.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether ST 37 WASHNGTON 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 ST 37 WASHNGTON 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 ST 37 WASHNGTON ST?
ST 37 WASHNGTON 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 ST 37 WASHNGTON ST inspected?
ST 37 WASHNGTON 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 32,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ST 37 WASHNGTON 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 ST 37 WASHNGTON ST?
ST 37 WASHNGTON ST has an NBI inventory load rating of 39.2 metric tons.
Who is responsible for maintaining ST 37 WASHNGTON ST?
ST 37 WASHNGTON ST is owned and maintained by State Highway Agency.
How old is ST 37 WASHNGTON ST and does age affect safety?
ST 37 WASHNGTON ST was built in 1924, making it 102 years old and last reconstructed in 1982.
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.
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.