INTERSTATE-91
INTERSTATE-91 in 0.5 MI N Of I-95, New Haven County, Connecticut received a condition grade of B (65/100). Built in 1965, the bridge carries 141K vehicles daily on INTERSTATE-91 over I-91 Ramp 002.
INTERSTATE-91 carries a B on the BridgeSafety Condition Score with 65/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1965 and is now 61 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. INTERSTATE-91 carries an average daily traffic count of 141,200 vehicles, with 9 lane(s) crossing I-91 Ramp 002. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
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 0.5 MI N Of I-95 in New Haven County, Connecticut. The bridge carries INTERSTATE-91 over I-91 Ramp 002 with 9 traffic lanes, handling approximately 141K vehicles per day. Built in 1965, the structure spans 14.6 meters.
The bridge received a Condition Grade of B (65/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), 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 65/100 (Grade B). Its deck is rated 7/9, 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 141K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 14.6 meters long and located on INTERSTATE-91 in 0.5 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 0.5 MI N Of I-95 in New Haven County, Connecticut. The bridge carries INTERSTATE-91 over I-91 Ramp 002. Its coordinates are 41.305578, -72.914219. It is maintained by State Highway Agency.
INTERSTATE-91 carries INTERSTATE-91 over I-91 Ramp 002. The bridge is 14.6 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.
Source: FHWA National Bridge Inventory, 2026.