I 95 SB/ST128 SB
I 95 SB/ST128 SB in At RR Station, Norfolk County, Massachusetts received a condition grade of B (78/100). Built in 2008, the bridge carries 170K vehicles daily on I 95 SB/ST128 SB over RR Amtrak/Mbta.
I 95 SB/ST128 SB carries a B on the BridgeSafety Condition Score with 78/100. 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 2008 and is 18 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. I 95 SB/ST128 SB carries an average daily traffic count of 169,809 vehicles, with 5 lane(s) crossing RR Amtrak/Mbta. 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
I 95 SB/ST128 SB is a 18-year-old bridge located At RR Station in Norfolk County, Massachusetts. The bridge carries I 95 SB/ST128 SB over RR Amtrak/Mbta with 5 traffic lanes, handling approximately 170K vehicles per day. Built in 2008, the structure spans 71.8 meters.
The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 95 SB/ST128 SB has a Condition Score of 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 95 SB/ST128 SB was built in 2008, making it 18 years old. The average bridge age in the United States is 48 years.
I 95 SB/ST128 SB carries approximately 170K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 71.8 meters long and located on I 95 SB/ST128 SB in At RR Station, Norfolk County, Massachusetts.
No, I 95 SB/ST128 SB 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 SB/ST128 SB is located At RR Station in Norfolk County, Massachusetts. The bridge carries I 95 SB/ST128 SB over RR Amtrak/Mbta. Its coordinates are 42.211153, -71.146722. It is maintained by State Highway Agency.
I 95 SB/ST128 SB carries I 95 SB/ST128 SB over RR Amtrak/Mbta. The bridge is 71.8 meters long and was built in 2008.
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.