ST 10 NORTHFLD RD
Carrying ST 10 NORTHFLD RD over WATER DRY BROOK
.1 M E JCT PURPLE MDW RD., Franklin, Massachusetts
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
ST 10 NORTHFLD RD in Franklin, Massachusetts sits above 90% of rated Massachusetts bridges on inventory load rating (60 t), while its 1967 build year is earlier than 36% of Franklin's recorded-year cohort (314 bridges).
ST 10 NORTHFLD RD in Franklin, Massachusetts is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1967, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:B1000312BDOTNBI
INTERSTATE-ERA · PRESTRESS · SINGLE-SPAN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy load
- CAT-POOR Poor
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 10 NORTHFLD RD
The ST 10 NORTHFLD RD bridge in Franklin, Massachusetts carries ST 10 NORTHFLD RD over WATER DRY BROOK. It was built in 1967, making it 59 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 7.8 meters (26 feet) end to end. Daily traffic averages 9,569 vehicles, placing it in the moderately-trafficked tier of Massachusetts bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How ST 10 NORTHFLD RD compares
Age against the county: built in 1967, earlier than 112 of Franklin's 314 bridges with a recorded construction year (36%), against a county median build year of 1960. This is one of the newer structures in its county.
Live comparison across Massachusetts bridges with a recorded inventory load rating (5,295 rated).
ST 10 NORTHFLD RD vs every rated Massachusetts bridge
Inventory load rating (metric tons), FHWA NBI, this state
60 Top 10% higher than 90% 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.
Franklin inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 314 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
- 1967
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 7.8 m (26 ft)
- Deck Width
- 15.2 m (50 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 9,569 vehicles/day
- Structure Number
- B1000312BDOTNBI
Condition Analysis
- • At 4/9, the deck (driving surface) is in poor shape, with advanced wear on file for this vintage.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
ST 10 NORTHFLD RD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare ST 10 NORTHFLD RD against other structures in Franklin 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 10 NORTHFLD RD?
ST 10 NORTHFLD RD in Franklin, Massachusetts has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is ST 10 NORTHFLD RD inspected?
ST 10 NORTHFLD RD'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 9,569 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ST 10 NORTHFLD RD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for ST 10 NORTHFLD RD?
ST 10 NORTHFLD RD has an NBI inventory load rating of 60.4 metric tons.
Who is responsible for maintaining ST 10 NORTHFLD RD?
ST 10 NORTHFLD RD is owned and maintained by State Highway Agency.
How old is ST 10 NORTHFLD RD and does age affect safety?
ST 10 NORTHFLD RD was built in 1967, making it 59 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.
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.