FHWA NBI 2024 Inspection record Public-domain dataset

ROUTE 82

Carrying ROUTE 82 over EIGHT MILE RIVER

0.6 MI E OF ROUTE 156, Unknown County, Connecticut

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating Lower than 88% of rated Connecticut bridges

ROUTE 82 in Unknown County, Connecticut sits above 12% of rated Connecticut bridges on inventory load rating (29 t), while its 1925 build year is earlier than 97% of Unknown County's recorded-year cohort (309 bridges).

ROUTE 82 in Unknown County, Connecticut is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1925, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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:01139

PRE-1950 · STEEL · SINGLE-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard 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.

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
28/100
ROUTE 82
Deck Condition F
6/9
NBI deck condition rating (0=failed, 9=excellent)
Superstructure Condition F
6/9
NBI superstructure condition rating (0=failed, 9=excellent)
Substructure Condition F
6/9
NBI substructure condition rating (0=failed, 9=excellent)
Load Rating F
29 t
NBI inventory load rating vs the national corpus

Bridge Snapshot: ROUTE 82

The ROUTE 82 bridge in Unknown County, Connecticut carries ROUTE 82 over EIGHT MILE RIVER. It was built in 1925, making it 101 years old today. It was last reconstructed in 2018, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 3,300 vehicles, placing it in the moderately-trafficked tier of Connecticut bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection places the weakest component in fair condition (see the full component ratings below). No reported major component scores in the Poor range under the current federal condition thresholds.

How ROUTE 82 compares

▼ 14.9
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 1925, earlier than 299 of Unknown County's 309 bridges with a recorded construction year (97%), 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.

ROUTE 82 29.2 t
Connecticut average (4,365 rated) 44.1 t

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

ROUTE 82 vs every rated Connecticut bridge

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

29 Top 88% higher than 12% 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
6/9
Fair (5–6)
Inventory Load Rating
29.2 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 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
1925
Last Reconstructed
2018
Material
Steel
Number of Spans
1
Structure Length
12.2 m (40 ft)
Deck Width
9.5 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,300 vehicles/day
Structure Number
01139

Condition Analysis

  • • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether ROUTE 82 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 ROUTE 82 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 ROUTE 82?

ROUTE 82 in Unknown County, Connecticut has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is ROUTE 82 inspected?

ROUTE 82'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 3,300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ROUTE 82 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 ROUTE 82?

ROUTE 82 has an NBI inventory load rating of 29.2 metric tons.

Who is responsible for maintaining ROUTE 82?

ROUTE 82 is owned and maintained by State Highway Agency.

How old is ROUTE 82 and does age affect safety?

ROUTE 82 was built in 1925, making it 101 years old and last reconstructed in 2018.

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.