US Bridges

ST 2 over I 95 /ST128

Good

Middlesex County, Massachusetts · 1.6 KM S Rt 2A & Rt 128 · Structure no. L10009BHMDOTNBI

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
345 ft
2 main spans
Daily traffic
70,000
2024 count
Owner
State
State Highway Agency

About this bridge

ST 2 over I 95 /ST128 is a steel continuous stringer/multi-beam or girder carrying ST 2 over I 95 /ST128 in Middlesex County, Massachusetts. It was built in 2016, so it is 9 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 70,000 vehicles a day, roughly 3% of them trucks. The structure is 345 ft (105.2 m) long and 128 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesST 2
CrossesI 95 /ST128
Location1.6 KM S Rt 2A & Rt 128
RouteState Highway 2
Coordinates42.42805, -71.25857
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
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 alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length345 ft (105.2 m)
Longest span167 ft (50.9 m)
Deck width128 ft (38.9 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,000 (2024)
Projected traffic—
Trucks3%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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$745,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 2 over I 95 /ST128 built?

It was built in 2016, making it 9 years old in 2025.

What condition is ST 2 over I 95 /ST128 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 September 2024.

How much traffic does ST 2 over I 95 /ST128 carry?

About 70,000 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is ST 2 over I 95 /ST128?

The structure is 345 ft (105.2 m) long with a longest span of 167 ft (50.9 m) and a deck 128 ft wide.

Who owns ST 2 over I 95 /ST128?

It is owned by the State Highway Agency.