I 95 /ST128
I 95 /ST128 in .32 KM Sly Rts 20 & 128, Middlesex County, Massachusetts received a condition grade of C (43/100). Built in 1950, the bridge carries 179K vehicles daily on I 95 /ST128 over RR Mbta/Bmrr.
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 95 /ST128 is a 76-year-old bridge located .32 KM Sly Rts 20 & 128 in Middlesex County, Massachusetts. The bridge carries I 95 /ST128 over RR Mbta/Bmrr with 9 traffic lanes, handling approximately 179K vehicles per day. Built in 1950 and reconstructed in 1962, the structure spans 69.2 meters.
The bridge received a Condition Grade of C (43/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 95 /ST128 has a Condition Score of 43/100 (Grade C). Its deck is rated 5/9, superstructure 5/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 95 /ST128 was built in 1950 and reconstructed in 1962, making it 76 years old. The average bridge age in the United States is 48 years.
I 95 /ST128 carries approximately 179K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 69.2 meters long and located on I 95 /ST128 in .32 KM Sly Rts 20 & 128, Middlesex County, Massachusetts.
No, I 95 /ST128 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 95 /ST128 is located .32 KM Sly Rts 20 & 128 in Middlesex County, Massachusetts. The bridge carries I 95 /ST128 over RR Mbta/Bmrr. Its coordinates are 42.367292, -71.269750. It is maintained by State Highway Agency.
I 95 /ST128 carries I 95 /ST128 over RR Mbta/Bmrr. The bridge is 69.2 meters long and was built in 1950, with reconstruction in 1962.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.