US Bridges

I 95 /ST128 over ST 9 Worcester ST

Good

Norfolk County, Massachusetts · Rt 128 at Rt 9 · Structure no. W13023BDHDOTNBI

Built
2018
7 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
169 ft
2 main spans
Daily traffic
174,384
2023 count
Owner
State
State Highway Agency

About this bridge

I 95 /ST128 over ST 9 Worcester ST is a steel continuous stringer/multi-beam or girder carrying I 95 /ST128 over ST 9 Worcester ST in Norfolk County, Massachusetts. It was built in 2018, so it is 7 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 174,384 vehicles a day, roughly 6% of them trucks. The structure is 169 ft (51.4 m) long and 155 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 95 /ST128
CrossesST 9 Worcester ST
LocationRt 128 at Rt 9
RouteInterstate 95
CountyNorfolk County
StateMassachusetts
Coordinates42.31671, -71.23402
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length169 ft (51.4 m)
Longest span82 ft (25.1 m)
Deck width155 ft (47.1 m)
Roadway width151 ft (46.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic174,384 (2023)
Projected traffic—
Trucks6%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 /ST128 over ST 9 Worcester ST built?

It was built in 2018, making it 7 years old in 2025.

What condition is I 95 /ST128 over ST 9 Worcester ST in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does I 95 /ST128 over ST 9 Worcester ST carry?

About 174,384 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I 95 /ST128 over ST 9 Worcester ST?

The structure is 169 ft (51.4 m) long with a longest span of 82 ft (25.1 m) and a deck 155 ft wide.

Who owns I 95 /ST128 over ST 9 Worcester ST?

It is owned by the State Highway Agency.