INTERSTATE 95
Carrying INTERSTATE 95 over CANAL DOCK ROAD
0.5 MI S OF US ROUTE 1, Unknown County, Connecticut
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
INTERSTATE 95 in Unknown County, Connecticut sits above 20% of rated Connecticut bridges on inventory load rating (33 t), while its 2015 build year is earlier than 4% of Unknown County's recorded-year cohort (893 bridges).
INTERSTATE 95 in Unknown County, Connecticut is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2015, 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:00167
POST-2000 · STEEL · SINGLE-SPAN · TIED-CTRL · HEAVY-ADT · STANDARD-LOAD · CAT-GOOD
- POST-2000 2000+
- STEEL Steel
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard 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.
Bridge Snapshot: INTERSTATE 95
The INTERSTATE 95 bridge in Unknown County, Connecticut carries INTERSTATE 95 over CANAL DOCK ROAD. It was built in 2015, making it 11 years old today. The structure is built primarily of steel and spans 1 section, stretching 58.5 meters (192 feet) end to end. Daily traffic averages 187,800 vehicles, placing it in the heavily-trafficked tier of Connecticut bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection places the weakest component in good condition (see the full component ratings below). No reported major component scores in the Poor range under the current federal condition thresholds.
How INTERSTATE 95 compares
Age against the county: built in 2015, earlier than 38 of Unknown County's 893 bridges with a recorded construction year (4%), against a county median build year of 1965. This is one of the newer structures in its county.
Live comparison across Connecticut bridges with a recorded inventory load rating (4,365 rated).
INTERSTATE 95 vs every rated Connecticut bridge
Inventory load rating (metric tons), FHWA NBI, this state
33 Top 80% higher than 20% 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
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 893 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
- 2015
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 58.5 m (192 ft)
- Deck Width
- 61.8 m (203 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 187,800 vehicles/day
- Structure Number
- 00167
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) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether INTERSTATE 95 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 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?
INTERSTATE 95 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 INTERSTATE 95 inspected?
INTERSTATE 95'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 187,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. INTERSTATE 95 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 INTERSTATE 95?
INTERSTATE 95 has an NBI inventory load rating of 32.7 metric tons.
Who is responsible for maintaining INTERSTATE 95?
INTERSTATE 95 is owned and maintained by State Highway Agency.
How old is INTERSTATE 95 and does age affect safety?
INTERSTATE 95 was built in 2015, making it 11 years old.
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.
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.