US Bridges

I 95 /ST128 over HWY Main ST

Fair

Essex County, Massachusetts · 1 MI SW Chestnut & Main · Structure no. L190112FDDOTNBI

Built
1948
77 years old, rebuilt 1959
Condition
Fair
inspected December 2024
Type
Frame
Concrete
Length
50 ft
1 main span
Daily traffic
143,473
2024 count
Owner
State
State Highway Agency

About this bridge

I 95 /ST128 over HWY Main ST is a concrete frame carrying I 95 /ST128 over HWY Main ST in Essex County, Massachusetts. It was built in 1948 and reconstructed in 1959, so it is 77 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 6 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 143,473 vehicles a day, roughly 5% of them trucks, projected to reach 198,992 by 2031. The structure is 50 ft (15.2 m) long and 178 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 95 /ST128
CrossesHWY Main ST
Location1 MI SW Chestnut & Main
RouteInterstate 128
CountyEssex County
StateMassachusetts
Coordinates42.526, -71.06613
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating39.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width178 ft (54.4 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143,473 (2024)
Projected traffic198,992 by 2031
Trucks5%
Lanes on structure8
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 /ST128 over HWY Main ST built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1959.

What condition is I 95 /ST128 over HWY Main 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 December 2024.

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

About 143,473 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is I 95 /ST128 over HWY Main ST?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 178 ft wide.

Who owns I 95 /ST128 over HWY Main ST?

It is owned by the State Highway Agency.