US Bridges

HWY Mass Ave over I 95 /ST128

Fair

Middlesex County, Massachusetts · .16 KM North of Rt 2A · Structure no. L100122LCDOTNBI

Built
1961
64 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
247 ft
4 main spans
Daily traffic
8,793
2020 count
Owner
State
State Highway Agency

About this bridge

HWY Mass Ave over I 95 /ST128 is a steel stringer/multi-beam or girder carrying HWY Mass Ave over I 95 /ST128 in Middlesex County, Massachusetts. It was built in 1961, so it is 64 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,793 vehicles a day, roughly 4% of them trucks, projected to reach 17,688 by 2033. The structure is 247 ft (75.3 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHWY Mass Ave
CrossesI 95 /ST128
Location.16 KM North of Rt 2A
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.44709, -71.25575
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length247 ft (75.3 m)
Longest span89 ft (27.1 m)
Deck width41 ft (12.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,793 (2020)
Projected traffic17,688 by 2033
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Mass Ave over I 95 /ST128 built?

It was built in 1961, making it 64 years old in 2025.

What condition is HWY Mass Ave over I 95 /ST128 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does HWY Mass Ave over I 95 /ST128 carry?

About 8,793 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is HWY Mass Ave over I 95 /ST128?

The structure is 247 ft (75.3 m) long with a longest span of 89 ft (27.1 m) and a deck 41 ft wide.

Who owns HWY Mass Ave over I 95 /ST128?

It is owned by the State Highway Agency.