I 91
I 91 in Mm 4.5 On I-91, Hampden County, Massachusetts received a condition grade of C (57/100). Built in 1963, the bridge carries 211K vehicles daily on I 91 over HWY Main ST (S End).
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
I 91 is a 63-year-old bridge located Mm 4.5 On I-91 in Hampden County, Massachusetts. The bridge carries I 91 over HWY Main ST (S End) with 7 traffic lanes, handling approximately 211K vehicles per day. Built in 1963, the structure spans 52.1 meters.
The bridge received a Condition Grade of C (57/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (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
I 91 has a Condition Score of 57/100 (Grade C). Its deck is rated 5/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 91 was built in 1963, making it 63 years old. The average bridge age in the United States is 48 years.
I 91 carries approximately 211K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 52.1 meters long and located on I 91 in Mm 4.5 On I-91, Hampden County, Massachusetts.
No, I 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.
I 91 is located Mm 4.5 On I-91 in Hampden County, Massachusetts. The bridge carries I 91 over HWY Main ST (S End). Its coordinates are 42.087578, -72.580828. It is maintained by State Highway Agency.
I 91 carries I 91 over HWY Main ST (S End). The bridge is 52.1 meters long and was built in 1963.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.