WEST BROAD STREET
Carrying WEST BROAD STREET over RIPPOWAM RIVER
0.2 MI W OF ROUTE 137, Unknown County, Connecticut
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
WEST BROAD STREET in Unknown County, Connecticut sits above 66% of rated Connecticut bridges on inventory load rating (47 t), while its 1954 build year is earlier than 77% of Unknown County's recorded-year cohort (861 bridges).
WEST BROAD STREET in Unknown County, Connecticut is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1954, 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:04065
INTERSTATE-ERA · STEEL · MULTI-SPAN · SUB-LED · HEAVY-ADT · HEAVY-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 2 spans
- SUB-LED Substructure-led
- HEAVY-ADT Heavy 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: WEST BROAD STREET
The WEST BROAD STREET bridge in Unknown County, Connecticut carries WEST BROAD STREET over RIPPOWAM RIVER. It was built in 1954, making it 72 years old today. It was last reconstructed in 1990, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 38.4 meters (126 feet) end to end. Daily traffic averages 14,220 vehicles, placing it in the heavily-trafficked tier of Connecticut bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.
How WEST BROAD STREET compares
Age against the county: built in 1954, earlier than 660 of Unknown County's 861 bridges with a recorded construction year (77%), against a county median build year of 1962. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Connecticut bridges with a recorded inventory load rating (4,365 rated).
WEST BROAD STREET vs every rated Connecticut bridge
Inventory load rating (metric tons), FHWA NBI, this state
47 Top 34% higher than 66% 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 861 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
- 1954
- Last Reconstructed
- 1990
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 38.4 m (126 ft)
- Deck Width
- 20.7 m (68 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 14,220 vehicles/day
- Structure Number
- 04065
Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear on file for this vintage.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
WEST BROAD STREET 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 WEST BROAD STREET 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 WEST BROAD STREET?
WEST BROAD STREET in Unknown County, Connecticut has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is WEST BROAD STREET inspected?
WEST BROAD STREET'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 14,220 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. WEST BROAD STREET 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 WEST BROAD STREET?
WEST BROAD STREET has an NBI inventory load rating of 46.6 metric tons.
Who is responsible for maintaining WEST BROAD STREET?
WEST BROAD STREET is owned and maintained by City/Municipal Highway Agency.
How old is WEST BROAD STREET and does age affect safety?
WEST BROAD STREET was built in 1954, making it 72 years old and last reconstructed in 1990.
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.