US Bridges

I 95 SB/ST128 SB over HWY Winn ST

Fair

Middlesex County, Massachusetts · 0.75 MI NE Rt 95 & Rt 3A · Structure no. B290112EXDOTNBI

Built
1949
76 years old, rebuilt 1961
Condition
Fair
inspected July 2023
Type
Frame
Concrete
Length
60 ft
1 main span
Daily traffic
99,185
2018 count
Owner
State
State Highway Agency

About this bridge

I 95 SB/ST128 SB over HWY Winn ST is a concrete frame carrying I 95 SB/ST128 SB over HWY Winn ST in Middlesex County, Massachusetts. It was built in 1949 and reconstructed in 1961, so it is 76 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 99,185 vehicles a day, roughly 10% of them trucks, projected to reach 285,853 by 2032. The structure is 60 ft (18.3 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 95 SB/ST128 SB
CrossesHWY Winn ST
Location0.75 MI NE Rt 95 & Rt 3A
RouteInterstate 95
CountyMiddlesex County
StateMassachusetts
Coordinates42.49593, -71.17821
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
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 rating44.2 US tons
Inventory rating26.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span54 ft (16.5 m)
Deck width81 ft (24.7 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,185 (2018)
Projected traffic285,853 by 2032
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$4.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 SB/ST128 SB over HWY Winn ST built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1961.

What condition is I 95 SB/ST128 SB over HWY Winn ST 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 SB/ST128 SB over HWY Winn ST carry?

About 99,185 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is I 95 SB/ST128 SB over HWY Winn ST?

The structure is 60 ft (18.3 m) long with a longest span of 54 ft (16.5 m) and a deck 81 ft wide.

Who owns I 95 SB/ST128 SB over HWY Winn ST?

It is owned by the State Highway Agency.