FHWA NBI 2024 Inspection record Public-domain dataset

INTERSTATE-95 SB

Carrying INTERSTATE-95 SB over TAUGWONK ROAD

0.8 MI N OF ROUTE 234, Unknown County, Connecticut

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
17 t Inventory load rating Lower than 99% of rated Connecticut bridges

INTERSTATE-95 SB in Unknown County, Connecticut sits above 1% of rated Connecticut bridges on inventory load rating (17 t), while its 1964 build year is earlier than 49% of Unknown County's recorded-year cohort (442 bridges).

INTERSTATE-95 SB in Unknown County, Connecticut is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1964, 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:01803

INTERSTATE-ERA · STEEL · MULTI-SPAN · TIED-CTRL · HEAVY-ADT · LIGHT-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • HEAVY-ADT Heavy ADT
  • LIGHT-LOAD Light 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.

Bridge Snapshot: INTERSTATE-95 SB

The INTERSTATE-95 SB bridge in Unknown County, Connecticut carries INTERSTATE-95 SB over TAUGWONK ROAD. It was built in 1964, making it 62 years old today. The structure is built primarily of steel and spans 3 sections, stretching 38.1 meters (125 feet) end to end. Daily traffic averages 22,400 vehicles, placing it in the heavily-trafficked tier of Connecticut bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How INTERSTATE-95 SB compares

▼ 27.3
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 1964, earlier than 218 of Unknown County's 442 bridges with a recorded construction year (49%), against a county median build year of 1964.

INTERSTATE-95 SB 16.8 t
Connecticut average (4,365 rated) 44.1 t

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

INTERSTATE-95 SB vs every rated Connecticut bridge

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

17 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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
16.8 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 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
1964
Material
Steel
Number of Spans
3
Structure Length
38.1 m (125 ft)
Deck Width
16.3 m (53 ft)
Owner
State Highway Agency
Avg Daily Traffic
22,400 vehicles/day
Structure Number
01803

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • 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 INTERSTATE-95 SB 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 INTERSTATE-95 SB 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 INTERSTATE-95 SB?

INTERSTATE-95 SB in Unknown County, Connecticut has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is INTERSTATE-95 SB inspected?

INTERSTATE-95 SB'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 22,400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. INTERSTATE-95 SB 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 INTERSTATE-95 SB?

INTERSTATE-95 SB has an NBI inventory load rating of 16.8 metric tons.

Who is responsible for maintaining INTERSTATE-95 SB?

INTERSTATE-95 SB is owned and maintained by State Highway Agency.

How old is INTERSTATE-95 SB and does age affect safety?

INTERSTATE-95 SB was built in 1964, making it 62 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.