US Bridges

I 93 over ST 60 Wb/Salem ST

Fair

Middlesex County, Massachusetts · 1.1 KM S of Rosvelt Cir. · Structure no. M120283B7DOTNBI

Built
1961
64 years old, rebuilt 2011
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
160 ft
3 main spans
Daily traffic
266,500
2017 count
Owner
State
State Highway Agency

About this bridge

I 93 over ST 60 Wb/Salem ST is a steel stringer/multi-beam or girder carrying I 93 over ST 60 Wb/Salem ST in Middlesex County, Massachusetts. It was built in 1961 and reconstructed in 2011, so it is 64 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 266,500 vehicles a day, roughly 7% of them trucks, projected to reach 275,272 by 2032. The structure is 160 ft (48.8 m) long and 139 ft wide.

Location

Open in Google Maps
CarriesI 93
CrossesST 60 Wb/Salem ST
Location1.1 KM S of Rosvelt Cir.
RouteInterstate 93
CountyMiddlesex County
StateMassachusetts
Coordinates42.42008, -71.10392
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length160 ft (48.8 m)
Longest span77 ft (23.5 m)
Deck width139 ft (42.5 m)
Roadway width131 ft (40 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic266,500 (2017)
Projected traffic275,272 by 2032
Trucks7%
Lanes on structure8
Traffic directionTwo-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$20.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 over ST 60 Wb/Salem ST built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2011.

What condition is I 93 over ST 60 Wb/Salem 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 2023.

How much traffic does I 93 over ST 60 Wb/Salem ST carry?

About 266,500 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is I 93 over ST 60 Wb/Salem ST?

The structure is 160 ft (48.8 m) long with a longest span of 77 ft (23.5 m) and a deck 139 ft wide.

Who owns I 93 over ST 60 Wb/Salem ST?

It is owned by the State Highway Agency.