FHWA NBI 2024 Inspection record Public-domain dataset

C3324

Carrying C3324 over BLACK RIVER

@ JCT W CL3 TH324, Windsor, Vermont

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
0 t Inventory load rating Lower than 99% of rated Vermont bridges

C3324 in Windsor, Vermont sits above 1% of rated Vermont bridges on inventory load rating (0 t), while its 1929 build year is earlier than 86% of Windsor's recorded-year cohort (483 bridges).

C3324 in Windsor, Vermont is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1929, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 2. 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 VT:101410005714101

PRE-1950 · STEEL · SINGLE-SPAN · SUPER-LED · LOCAL-ADT · TRACE-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • SINGLE-SPAN Single span
  • SUPER-LED Superstructure-led
  • LOCAL-ADT Local ADT
  • TRACE-LOAD Trace 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: C3324

The C3324 bridge in Windsor, Vermont carries C3324 over BLACK RIVER. It was built in 1929, making it 97 years old today. The structure is built primarily of steel and spans 1 section, stretching 25.0 meters (82 feet) end to end. Daily traffic averages 150 vehicles, placing it in the lower-traffic tier of Vermont bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 3/9, superstructure at 2/9, substructure at 4/9. The weakest component sits in critical condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.

How C3324 compares

▼ 37.4
Load rating vs Vermont average (37.4 t; 2,861 of 2,862 rated)
483
Bridges in Windsor · 20 in Poor condition

Age against the county: built in 1929, earlier than 415 of Windsor's 483 bridges with a recorded construction year (86%), against a county median build year of 1966. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

C3324 0.0 t
Vermont average (2,861 of 2,862 rated) 37.4 t

Live comparison across Vermont bridges with a recorded inventory load rating (2,861 of 2,862 rated).

C3324 vs every rated Vermont bridge

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

0 Top 99% higher than 1% of 2,861 bridges

rated Vermont 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
3/9
Poor (1–4)
Superstructure
2/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
0.0 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.

Windsor inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 483 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
1929
Material
Steel
Number of Spans
1
Structure Length
25.0 m (82 ft)
Deck Width
5.8 m (19 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
150 vehicles/day
Structure Number
101410005714101

Condition Analysis

  • The deck (driving surface) is in poor condition (3/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
  • At 2/9, the superstructure (beams and supports above the deck) is in critical shape, with severe wear recorded for this vintage.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear on file for this vintage.

How to read this record

C3324 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 C3324 against other structures in Windsor and across Vermont. Vermont 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 C3324?

C3324 in Windsor, Vermont has a deck rating of 3/9, superstructure rating of 2/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is C3324 inspected?

C3324'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 150 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. C3324 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 C3324?

C3324 has an NBI inventory load rating of 0.0 metric tons.

Who is responsible for maintaining C3324?

C3324 is owned and maintained by Town/Township Highway Agency.

How old is C3324 and does age affect safety?

C3324 was built in 1929, making it 97 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.