US Bridges

I 93 over ST 28 & ST38 & Temple ST

Fair

Middlesex County, Massachusetts · 3.2 KM N of JCT I-93&US-1 · Structure no. S170313BHDOTNBI

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,352 ft
28 main spans
Daily traffic
143,941
2021 count
Owner
State
State Highway Agency

About this bridge

I 93 over ST 28 & ST38 & Temple ST is a steel continuous stringer/multi-beam or girder carrying I 93 over ST 28 & ST38 & Temple ST in Middlesex County, Massachusetts. It was built in 1973, so it is 52 years old, younger 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 143,941 vehicles a day, roughly 12% of them trucks, projected to reach 228,998 by 2032. The structure is 2,352 ft (716.9 m) long and 139 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 93
CrossesST 28 & ST38 & Temple ST
Location3.2 KM N of JCT I-93&US-1
RouteInterstate 93
Coordinates42.39371, -71.08583
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans28
Design loadHS 20 + Mod
Structure length2,352 ft (716.9 m)
Longest span107 ft (32.6 m)
Deck width139 ft (42.4 m)
Roadway width124 ft (37.9 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic143,941 (2021)
Projected traffic228,998 by 2032
Trucks12%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$296 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 over ST 28 & ST38 & Temple ST built?

It was built in 1973, making it 52 years old in 2025.

What condition is I 93 over ST 28 & ST38 & Temple 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 April 2023.

How much traffic does I 93 over ST 28 & ST38 & Temple ST carry?

About 143,941 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is I 93 over ST 28 & ST38 & Temple ST?

The structure is 2,352 ft (716.9 m) long with a longest span of 107 ft (32.6 m) and a deck 139 ft wide.

Who owns I 93 over ST 28 & ST38 & Temple ST?

It is owned by the State Highway Agency.