FHWA NBI 2024 Inspection record Public-domain dataset

FLATBUSH AVENUE

Carrying FLATBUSH AVENUE over SOUTH BRANCH PARK RIVER

0.1 MILE EAST OF SR 504, Unknown County, Connecticut

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
16 t Inventory load rating Lower than 99% of rated Connecticut bridges

FLATBUSH AVENUE in Unknown County, Connecticut sits above 1% of rated Connecticut bridges on inventory load rating (16 t), while its 1928 build year is earlier than 96% of Unknown County's recorded-year cohort (914 bridges).

FLATBUSH AVENUE in Unknown County, Connecticut is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1928, 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 CT:03623

PRE-1950 · PRESTRESS · MULTI-SPAN · SUB-LED · HEAVY-ADT · LIGHT-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 2 spans
  • SUB-LED Substructure-led
  • HEAVY-ADT Heavy ADT
  • LIGHT-LOAD Light 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: FLATBUSH AVENUE

The FLATBUSH AVENUE bridge in Unknown County, Connecticut carries FLATBUSH AVENUE over SOUTH BRANCH PARK RIVER. It was built in 1928, making it 98 years old today. It was last reconstructed in 1974, extending its service life. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 16,500 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 6/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How FLATBUSH AVENUE compares

▼ 28.2
Load rating vs Connecticut average (44.1 t; 4,365 rated)
914
Bridges in Unknown County · 29 in Poor condition

Age against the county: built in 1928, earlier than 879 of Unknown County's 914 bridges with a recorded construction year (96%), against a county median build year of 1969. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

FLATBUSH AVENUE 15.9 t
Connecticut average (4,365 rated) 44.1 t

Live comparison across Connecticut bridges with a recorded inventory load rating (4,365 rated).

FLATBUSH AVENUE vs every rated Connecticut bridge

Inventory load rating (metric tons), FHWA NBI, this state

16 Top 99% higher than 1% 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

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
15.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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 914 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
1928
Last Reconstructed
1974
Material
Prestressed Concrete
Number of Spans
2
Structure Length
18.3 m (60 ft)
Deck Width
18.6 m (61 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
16,500 vehicles/day
Structure Number
03623

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether FLATBUSH AVENUE 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 FLATBUSH AVENUE 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 FLATBUSH AVENUE?

FLATBUSH AVENUE in Unknown County, Connecticut has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is FLATBUSH AVENUE inspected?

FLATBUSH AVENUE'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 16,500 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. FLATBUSH AVENUE 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 FLATBUSH AVENUE?

FLATBUSH AVENUE has an NBI inventory load rating of 15.9 metric tons.

Who is responsible for maintaining FLATBUSH AVENUE?

FLATBUSH AVENUE is owned and maintained by City/Municipal Highway Agency.

How old is FLATBUSH AVENUE and does age affect safety?

FLATBUSH AVENUE was built in 1928, making it 98 years old and last reconstructed in 1974.

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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.