FHWA NBI 2024 Inspection record Public-domain dataset

FARNAM ROAD

Carrying FARNAM ROAD over SALMON CREEK

500 W OF SALMON KILL RD, Unknown County, Connecticut

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
41 t Inventory load rating Higher than 54% of rated Connecticut bridges

FARNAM ROAD in Unknown County, Connecticut sits above 54% of rated Connecticut bridges on inventory load rating (41 t), while its 2001 build year is earlier than 14% of Unknown County's recorded-year cohort (471 bridges).

FARNAM ROAD in Unknown County, Connecticut is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 2001, 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:05201

POST-2000 · PRESTRESS · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · HEAVY-LOAD · CAT-FAIR

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy 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.

D
Overall Score
44/100
FARNAM ROAD
Deck Condition F
6/9
NBI deck condition rating (0=failed, 9=excellent)
Superstructure Condition C-
7/9
NBI superstructure condition rating (0=failed, 9=excellent)
Substructure Condition F
6/9
NBI substructure condition rating (0=failed, 9=excellent)
Load Rating B+
41 t
NBI inventory load rating vs the national corpus

Bridge Snapshot: FARNAM ROAD

The FARNAM ROAD bridge in Unknown County, Connecticut carries FARNAM ROAD over SALMON CREEK. It was built in 2001, making it 25 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 20.0 meters (66 feet) end to end. Daily traffic averages 400 vehicles, placing it in the lower-traffic tier of Connecticut bridges. It is owned and maintained by Town/Township Highway Agency.

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

How FARNAM ROAD compares

▼ 3.0
Load rating vs Connecticut average (44.1 t; 4,365 rated)
471
Bridges in Unknown County · 35 in Poor condition

Age against the county: built in 2001, earlier than 65 of Unknown County's 471 bridges with a recorded construction year (14%), against a county median build year of 1964. This is one of the newer structures in its county.

FARNAM ROAD 41.1 t
Connecticut average (4,365 rated) 44.1 t

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

FARNAM ROAD vs every rated Connecticut bridge

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

41 Top 46% higher than 54% 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
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
41.1 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 471 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
2001
Material
Prestressed Concrete
Number of Spans
1
Structure Length
20.0 m (66 ft)
Deck Width
8.7 m (29 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
400 vehicles/day
Structure Number
05201

Condition Analysis

  • • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether FARNAM ROAD 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 FARNAM ROAD 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 FARNAM ROAD?

FARNAM ROAD in Unknown County, Connecticut has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is FARNAM ROAD inspected?

FARNAM ROAD'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 400 vehicles per day.

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

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

FARNAM ROAD has an NBI inventory load rating of 41.1 metric tons.

Who is responsible for maintaining FARNAM ROAD?

FARNAM ROAD is owned and maintained by Town/Township Highway Agency.

How old is FARNAM ROAD and does age affect safety?

FARNAM ROAD was built in 2001, making it 25 years old.

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.

XFacebookLinkedInWhatsAppEmail

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.