GRANTVILLE ROAD
Carrying GRANTVILLE ROAD over MAD RIVER
500' S OF DANBURY QUARTER, Litchfield, Connecticut
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: GRANTVILLE ROAD
The GRANTVILLE ROAD bridge in Litchfield, Connecticut carries GRANTVILLE ROAD over MAD RIVER. It was built in 1956, making it 70 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 10.4 meters (34 feet) end to end. Daily traffic averages 133 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 records show a deck rating of 4/9, superstructure at 4/9, substructure at 7/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 30.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How GRANTVILLE ROAD compares
Live comparison across Connecticut.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1956
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 10.4 m (34 ft)
- Deck Width
- 8.3 m (27 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 133 vehicles/day
- Structure Number
- 05132
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
GRANTVILLE ROAD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare GRANTVILLE ROAD against other structures in Litchfield 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 GRANTVILLE ROAD?
GRANTVILLE ROAD in Litchfield, Connecticut has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is GRANTVILLE ROAD inspected?
GRANTVILLE 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 133 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. GRANTVILLE ROAD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for GRANTVILLE ROAD?
GRANTVILLE ROAD has an NBI inventory load rating of 30.8 metric tons.
Who is responsible for maintaining GRANTVILLE ROAD?
GRANTVILLE ROAD is owned and maintained by Town/Township Highway Agency.
How old is GRANTVILLE ROAD and does age affect safety?
GRANTVILLE ROAD was built in 1956, making it 70 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.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.