FHWA NBI 2024 Inspection record Public-domain dataset

CHATFIELD HOLLOW R

Carrying CHATFIELD HOLLOW R over CHATFIELD HOLLOW BROOK

0.3 MI N OF MAIN ENTRANCE, Unknown County, Connecticut

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
56 t Inventory load rating Higher than 83% of rated Connecticut bridges

CHATFIELD HOLLOW R in Unknown County, Connecticut sits above 83% of rated Connecticut bridges on inventory load rating (56 t), while its 1934 build year is earlier than 92% of Unknown County's recorded-year cohort (309 bridges).

CHATFIELD HOLLOW R in Unknown County, Connecticut is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1934, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:06311

PRE-1950 · TIMBER · MULTI-SPAN · TIED-CTRL · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • PRE-1950 Pre-1950
  • TIMBER Wood or timber
  • MULTI-SPAN 2 spans
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

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.

C+
Overall Score
61/100
CHATFIELD HOLLOW R
Deck Condition C-
7/9
NBI deck condition rating (0=failed, 9=excellent)
Superstructure Condition C-
7/9
NBI superstructure condition rating (0=failed, 9=excellent)
Substructure Condition C-
7/9
NBI substructure condition rating (0=failed, 9=excellent)
Load Rating A+
56 t
NBI inventory load rating vs the national corpus

Bridge Snapshot: CHATFIELD HOLLOW R

The CHATFIELD HOLLOW R bridge in Unknown County, Connecticut carries CHATFIELD HOLLOW R over CHATFIELD HOLLOW BROOK. It was built in 1934, making it 92 years old today. It was last reconstructed in 2000, extending its service life. The structure is built primarily of wood or timber and spans 2 sections, stretching 9.4 meters (31 feet) end to end. Daily traffic averages 359 vehicles, placing it in the lower-traffic tier of Connecticut bridges. It is owned and maintained by State Park/Forest/Reservation.

The latest FHWA inspection places the weakest component in good condition (see the full component ratings below). None of this bridge's reported major components fall into the Poor condition range.

How CHATFIELD HOLLOW R compares

▲ 11.8
Load rating vs Connecticut average (44.1 t; 4,365 rated)
309
Bridges in Unknown County · 12 in Poor condition

Age against the county: built in 1934, earlier than 283 of Unknown County's 309 bridges with a recorded construction year (92%), against a county median build year of 1967. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

CHATFIELD HOLLOW R 55.9 t
Connecticut average (4,365 rated) 44.1 t

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

CHATFIELD HOLLOW R vs every rated Connecticut bridge

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

56 Top 17% higher than 83% 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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
55.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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 309 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
1934
Last Reconstructed
2000
Material
Wood or Timber
Number of Spans
2
Structure Length
9.4 m (31 ft)
Deck Width
6.3 m (21 ft)
Owner
State Park/Forest/Reservation
Avg Daily Traffic
359 vehicles/day
Structure Number
06311

Condition Analysis

  • • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether CHATFIELD HOLLOW R 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 CHATFIELD HOLLOW R 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 CHATFIELD HOLLOW R?

CHATFIELD HOLLOW R in Unknown County, Connecticut has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is CHATFIELD HOLLOW R inspected?

CHATFIELD HOLLOW R'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 359 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CHATFIELD HOLLOW R is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for CHATFIELD HOLLOW R?

CHATFIELD HOLLOW R has an NBI inventory load rating of 55.9 metric tons.

Who is responsible for maintaining CHATFIELD HOLLOW R?

CHATFIELD HOLLOW R is owned and maintained by State Park/Forest/Reservation.

How old is CHATFIELD HOLLOW R and does age affect safety?

CHATFIELD HOLLOW R was built in 1934, making it 92 years old and last reconstructed in 2000.

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.