ROUTE 32 NB
Carrying ROUTE 32 NB over I-95 US 1 NB SR 623&641
1.6 MI N OF ROUTE 85, Unknown County, Connecticut
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
ROUTE 32 NB in Unknown County, Connecticut sits above 88% of rated Connecticut bridges on inventory load rating (61 t), while its 1974 build year is earlier than 34% of Unknown County's recorded-year cohort (442 bridges).
ROUTE 32 NB in Unknown County, Connecticut is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1974, 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 CT:02833
INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · SUPER-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- LONG-SPAN-RUN 6 spans
- SUPER-LED Superstructure-led
- 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: ROUTE 32 NB
The ROUTE 32 NB bridge in Unknown County, Connecticut carries ROUTE 32 NB over I-95 US 1 NB SR 623&641. It was built in 1974, making it 52 years old today. The structure is built primarily of steel and spans 6 sections, stretching 232.9 meters (764 feet) end to end. Daily traffic averages 3,000 vehicles, placing it in the moderately-trafficked tier of Connecticut bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 6/9. 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 ROUTE 32 NB compares
Age against the county: built in 1974, earlier than 149 of Unknown County's 442 bridges with a recorded construction year (34%), against a county median build year of 1964. This is one of the newer structures in its county.
Live comparison across Connecticut bridges with a recorded inventory load rating (4,365 rated).
ROUTE 32 NB vs every rated Connecticut bridge
Inventory load rating (metric tons), FHWA NBI, this state
61 Top 12% higher than 88% of 4,365 bridges
rated Connecticut 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.
Unknown County inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 442 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
- 1974
- Material
- Steel
- Number of Spans
- 6
- Structure Length
- 232.9 m (764 ft)
- Deck Width
- 16.4 m (54 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 3,000 vehicles/day
- Structure Number
- 02833
Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
- • At 6/9, 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
ROUTE 32 NB 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 ROUTE 32 NB against other structures in Unknown County and across Connecticut. Connecticut 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 ROUTE 32 NB?
ROUTE 32 NB in Unknown County, Connecticut has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is ROUTE 32 NB inspected?
ROUTE 32 NB'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 3,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ROUTE 32 NB 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 ROUTE 32 NB?
ROUTE 32 NB has an NBI inventory load rating of 60.9 metric tons.
Who is responsible for maintaining ROUTE 32 NB?
ROUTE 32 NB is owned and maintained by State Highway Agency.
How old is ROUTE 32 NB and does age affect safety?
ROUTE 32 NB was built in 1974, making it 52 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.