US Bridges

I 95 NB/ST128 NB over HWY Walnut ST

Fair

Essex County, Massachusetts · 2.3 KM S US1 · Structure no. L190042W4DOTNBI

Built
1940
85 years old, rebuilt 1960
Condition
Fair
inspected May 2023
Type
Frame
Concrete
Length
62 ft
1 main span
Daily traffic
61,300
2017 count
Owner
State
State Highway Agency

About this bridge

I 95 NB/ST128 NB over HWY Walnut ST is a concrete frame carrying I 95 NB/ST128 NB over HWY Walnut ST in Essex County, Massachusetts. It was built in 1940 and reconstructed in 1960, so it is 85 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 61,300 vehicles a day, roughly 13% of them trucks, projected to reach 127,686 by 2032. The structure is 62 ft (18.8 m) long and 67 ft wide.

Location

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CarriesI 95 NB/ST128 NB
CrossesHWY Walnut ST
Location2.3 KM S US1
RouteInterstate 95
CountyEssex County
StateMassachusetts
Coordinates42.51371, -71.02869
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 inspectionMay 2023
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 rating107.1 US tons
Inventory rating68.2 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length62 ft (18.8 m)
Longest span50 ft (15.2 m)
Deck width67 ft (20.5 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deck21 ft (6.6 m)

Traffic and service

Average daily traffic61,300 (2017)
Projected traffic127,686 by 2032
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$760,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 NB/ST128 NB over HWY Walnut ST built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1960.

What condition is I 95 NB/ST128 NB over HWY Walnut 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 May 2023.

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

About 61,300 vehicles per day (2017 count), of which roughly 13% are trucks.

How long is I 95 NB/ST128 NB over HWY Walnut ST?

The structure is 62 ft (18.8 m) long with a longest span of 50 ft (15.2 m) and a deck 67 ft wide.

Who owns I 95 NB/ST128 NB over HWY Walnut ST?

It is owned by the State Highway Agency.