FHWA NBI 2024 Inspection record Public-domain dataset

EAST STREET

Carrying EAST STREET over PEQUABUCK RIVER

160 FT SOUTH OF ROUTE 72, Unknown County, Connecticut

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
13 t Inventory load rating Lower than 99% of rated Connecticut bridges

EAST STREET in Unknown County, Connecticut sits above 1% of rated Connecticut bridges on inventory load rating (13 t), while its 1900 build year is earlier than 99% of Unknown County's recorded-year cohort (914 bridges).

EAST STREET in Unknown County, Connecticut is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1900, 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:04487

PRE-1950 · CONCRETE · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · LIGHT-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • LIGHT-LOAD Light 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.

Structural health score

A composite of the deck, superstructure, and substructure NBI condition ratings plus the inventory load rating, benchmarked against the full national bridge corpus, distinct from the Good/Fair/Poor category above.

F
Overall Score
8/100
EAST STREET
Deck Condition F
4/9
NBI deck condition rating (0=failed, 9=excellent)
Superstructure Condition F
4/9
NBI superstructure condition rating (0=failed, 9=excellent)
Substructure Condition F
5/9
NBI substructure condition rating (0=failed, 9=excellent)
Load Rating F
13 t
NBI inventory load rating vs the national corpus

Bridge Snapshot: EAST STREET

The EAST STREET bridge in Unknown County, Connecticut carries EAST STREET over PEQUABUCK RIVER. It was built in 1900, making it 126 years old today. It was last reconstructed in 1929, extending its service life. The structure is built primarily of concrete and spans 2 sections, stretching 19.0 meters (62 feet) end to end. Daily traffic averages 2,805 vehicles, placing it in the moderately-trafficked tier of Connecticut bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection places the weakest component in poor condition (see the full component ratings below). At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How EAST STREET compares

▼ 31.5
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 1900, earlier than 904 of Unknown County's 914 bridges with a recorded construction year (99%), 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.

EAST STREET 12.6 t
Connecticut average (4,365 rated) 44.1 t

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

EAST STREET vs every rated Connecticut bridge

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

13 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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
12.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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
1900
Last Reconstructed
1929
Material
Concrete
Number of Spans
2
Structure Length
19.0 m (62 ft)
Deck Width
15.2 m (50 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
2,805 vehicles/day
Structure Number
04487

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) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
  • • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

EAST 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 EAST 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 EAST STREET?

EAST STREET in Unknown County, Connecticut 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 EAST STREET inspected?

EAST 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 2,805 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. EAST 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 EAST STREET?

EAST STREET has an NBI inventory load rating of 12.6 metric tons.

Who is responsible for maintaining EAST STREET?

EAST STREET is owned and maintained by City/Municipal Highway Agency.

How old is EAST STREET and does age affect safety?

EAST STREET was built in 1900, making it 126 years old and last reconstructed in 1929.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details.

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.

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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.