US Bridges

I 95 SB/ST128 SB over RR Amtrak/Mbta

Good

Norfolk County, Massachusetts · At RR Station · Structure no. D050478FUDOTNBI

Built
2008
17 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
236 ft
4 main spans
Daily traffic
169,809
2018 count
Owner
State
State Highway Agency

About this bridge

I 95 SB/ST128 SB over RR Amtrak/Mbta is a steel continuous stringer/multi-beam or girder carrying I 95 SB/ST128 SB over RR Amtrak/Mbta in Norfolk County, Massachusetts. It was built in 2008, so it is 17 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 169,809 vehicles a day, roughly 11% of them trucks, projected to reach 260,584 by 2032. The structure is 236 ft (71.8 m) long and 85 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesI 95 SB/ST128 SB
CrossesRR Amtrak/Mbta
LocationAt RR Station
RouteInterstate 95
CountyNorfolk County
StateMassachusetts
Coordinates42.21115, -71.14672
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating100.3 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length236 ft (71.8 m)
Longest span65 ft (19.8 m)
Deck width85 ft (25.8 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169,809 (2018)
Projected traffic260,584 by 2032
Trucks11%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 SB/ST128 SB over RR Amtrak/Mbta built?

It was built in 2008, making it 17 years old in 2025.

What condition is I 95 SB/ST128 SB over RR Amtrak/Mbta in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2021.

How much traffic does I 95 SB/ST128 SB over RR Amtrak/Mbta carry?

About 169,809 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is I 95 SB/ST128 SB over RR Amtrak/Mbta?

The structure is 236 ft (71.8 m) long with a longest span of 65 ft (19.8 m) and a deck 85 ft wide.

Who owns I 95 SB/ST128 SB over RR Amtrak/Mbta?

It is owned by the State Highway Agency.