FHWA NBI 2024 Inspection record Public-domain dataset

SHERMAN STREET

Carrying SHERMAN STREET over YANTIC RIVER

1 MILE WEST ROUTE 2, Unknown County, Connecticut

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

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

SHERMAN STREET in Unknown County, Connecticut sits above 1% of rated Connecticut bridges on inventory load rating (4 t), while its 1920 build year is earlier than 99% of Unknown County's recorded-year cohort (442 bridges).

SHERMAN STREET in Unknown County, Connecticut is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1920, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 0. 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:03797

PRE-1950 · STEEL · MULTI-SPAN · TIED-CTRL · ADT-UNK · LIGHT-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • MULTI-SPAN 2 spans
  • TIED-CTRL Tied control
  • ADT-UNK ADT unknown
  • 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.

Bridge Snapshot: SHERMAN STREET

The SHERMAN STREET bridge in Unknown County, Connecticut carries SHERMAN STREET over YANTIC RIVER. It was built in 1920, making it 106 years old today. The structure is built primarily of steel and spans 2 sections, stretching 18.6 meters (61 feet) end to end. Average daily traffic is not reported for this structure. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 0/9, superstructure at 0/9, substructure at 0/9. The weakest component sits in critical condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How SHERMAN STREET compares

▼ 40.2
Load rating vs Connecticut average (44.1 t; 4,365 rated)
442
Bridges in Unknown County · 23 in Poor condition

Age against the county: built in 1920, earlier than 436 of Unknown County's 442 bridges with a recorded construction year (99%), against a county median build year of 1964. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

SHERMAN STREET 3.9 t
Connecticut average (4,365 rated) 44.1 t

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

SHERMAN STREET vs every rated Connecticut bridge

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

4 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
0/9
Failed (0)
Superstructure
0/9
Failed (0)
Substructure
0/9
Failed (0)
Inventory Load Rating
3.9 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 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
1920
Material
Steel
Number of Spans
2
Structure Length
18.6 m (61 ft)
Deck Width
10.1 m (33 ft)
Owner
City/Municipal Highway Agency
Structure Number
03797

Condition Analysis

  • The deck (driving surface) rates critical at 0/9, with severe deterioration on the latest inspection.
  • At 0/9, the superstructure (beams and supports above the deck) is in critical shape, with severe wear recorded for this vintage.
  • The substructure (piers and abutments) is in critical condition (0/9), with severe deterioration recorded on the inspecting agency's 0-9 scale.

How to read this record

SHERMAN 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 SHERMAN 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 SHERMAN STREET?

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

How often is SHERMAN STREET inspected?

SHERMAN STREET's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval.

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

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

SHERMAN STREET has an NBI inventory load rating of 3.9 metric tons.

Who is responsible for maintaining SHERMAN STREET?

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

How old is SHERMAN STREET and does age affect safety?

SHERMAN STREET was built in 1920, making it 106 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.

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.