INTERSTATE-91
INTERSTATE-91 in 0.7 MI N Of I-95, New Haven County, Connecticut received a condition grade of B (61/100). Built in 1965, the bridge carries 135K vehicles daily on INTERSTATE-91 over Grand Avenue.
Component Ratings
The riding surface — evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
INTERSTATE-91 is a 61-year-old bridge located 0.7 MI N Of I-95 in New Haven County, Connecticut. The bridge carries INTERSTATE-91 over Grand Avenue with 10 traffic lanes, handling approximately 135K vehicles per day. Built in 1965, the structure spans 21.6 meters.
The bridge received a Condition Grade of B (61/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE-91 has a Condition Score of 61/100 (Grade B). Its deck is rated 6/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE-91 was built in 1965, making it 61 years old. The average bridge age in the United States is 48 years.
INTERSTATE-91 carries approximately 135K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 21.6 meters long and located on INTERSTATE-91 in 0.7 MI N Of I-95, New Haven County, Connecticut.
No, INTERSTATE-91 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
INTERSTATE-91 is located 0.7 MI N Of I-95 in New Haven County, Connecticut. The bridge carries INTERSTATE-91 over Grand Avenue. Its coordinates are 41.308217, -72.914425. It is maintained by State Highway Agency.
INTERSTATE-91 carries INTERSTATE-91 over Grand Avenue. The bridge is 21.6 meters long and was built in 1965.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.