ST 37 WASHNGTON ST
Carrying ST 37 WASHNGTON ST over WATER MONATIQUOT RIVER
ST 37 AT PLAIN ST, Norfolk, Massachusetts
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
ST 37 WASHNGTON ST in Norfolk, Massachusetts sits above 58% of rated Massachusetts bridges on inventory load rating (39 t), while its 1924 build year is earlier than 87% of Norfolk's recorded-year cohort (343 bridges).
ST 37 WASHNGTON ST in Norfolk, Massachusetts is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1924, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure MA:B2101634GDOTNBI
PRE-1950 · PRESTRESS · SINGLE-SPAN · TIED-CTRL · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR
- PRE-1950 Pre-1950
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
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.
How ST 37 WASHNGTON ST compares
Age against the county: built in 1924, earlier than 300 of Norfolk's 343 bridges with a recorded construction year (87%), against a county median build year of 1963. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Massachusetts bridges with a recorded inventory load rating (5,295 rated).
ST 37 WASHNGTON ST vs every rated Massachusetts bridge
Inventory load rating (metric tons), FHWA NBI, this state
39 Top 42% higher than 58% of 5,295 bridges
rated Massachusetts bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Norfolk inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 343 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
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
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.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.