US Bridges

I 95 SB over I 95 /US1/ST128

Poor

Norfolk County, Massachusetts · I 95 at ST 128 · Structure no. C0203635JDOTNBI

Built
1966
59 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
268 ft
4 main spans
Daily traffic
34,655
2023 count
Owner
State
State Highway Agency

About this bridge

I 95 SB over I 95 /US1/ST128 is a steel stringer/multi-beam or girder carrying I 95 SB over I 95 /US1/ST128 in Norfolk County, Massachusetts. It was built in 1966, so it is 59 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 34,655 vehicles a day, roughly 14% of them trucks, projected to reach 173,723 by 2032. The structure is 268 ft (81.7 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 95 SB
CrossesI 95 /US1/ST128
LocationI 95 at ST 128
RouteInterstate 95
CountyNorfolk County
StateMassachusetts
Coordinates42.20786, -71.14043
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating35.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length268 ft (81.7 m)
Longest span77 ft (23.5 m)
Deck width58 ft (17.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,655 (2023)
Projected traffic173,723 by 2032
Trucks14%
Lanes on structure2
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$17.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 SB over I 95 /US1/ST128 built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 95 SB over I 95 /US1/ST128 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does I 95 SB over I 95 /US1/ST128 carry?

About 34,655 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I 95 SB over I 95 /US1/ST128?

The structure is 268 ft (81.7 m) long with a longest span of 77 ft (23.5 m) and a deck 58 ft wide.

Who owns I 95 SB over I 95 /US1/ST128?

It is owned by the State Highway Agency.