US Bridges

I 95 NB/ST128 NB over HWY Middlesex Tpk

Fair

Middlesex County, Massachusetts · 0.4 KM NE Rt 95 & Rt 3 · Structure no. B290072EPDOTNBI

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
161 ft
2 main spans
Daily traffic
94,875
2018 count
Owner
State
State Highway Agency

About this bridge

I 95 NB/ST128 NB over HWY Middlesex Tpk is a steel stringer/multi-beam or girder carrying I 95 NB/ST128 NB over HWY Middlesex Tpk in Middlesex County, Massachusetts. It was built in 1962, so it is 63 years old, younger 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 94,875 vehicles a day, roughly 6% of them trucks, projected to reach 143,716 by 2032. The structure is 161 ft (49.2 m) long and 98 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI 95 NB/ST128 NB
CrossesHWY Middlesex Tpk
Location0.4 KM NE Rt 95 & Rt 3
RouteInterstate 95
CountyMiddlesex County
StateMassachusetts
Coordinates42.47776, -71.21508
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating43.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length161 ft (49.2 m)
Longest span79 ft (24.1 m)
Deck width98 ft (29.9 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94,875 (2018)
Projected traffic143,716 by 2032
Trucks6%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$14.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 NB/ST128 NB over HWY Middlesex Tpk built?

It was built in 1962, making it 63 years old in 2025.

What condition is I 95 NB/ST128 NB over HWY Middlesex Tpk 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 July 2023.

How much traffic does I 95 NB/ST128 NB over HWY Middlesex Tpk carry?

About 94,875 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is I 95 NB/ST128 NB over HWY Middlesex Tpk?

The structure is 161 ft (49.2 m) long with a longest span of 79 ft (24.1 m) and a deck 98 ft wide.

Who owns I 95 NB/ST128 NB over HWY Middlesex Tpk?

It is owned by the State Highway Agency.