US Bridges

ST 3 A/Tremont ST over ST 3 Pilgrim HWY

Fair

Plymouth County, Massachusetts · .1M East of JCT RTE 53 · Structure no. D14006AEEDOTNBI

Built
1996
29 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
144 ft
2 main spans
Daily traffic
28,900
2024 count
Owner
State
State Highway Agency

About this bridge

ST 3 A/Tremont ST over ST 3 Pilgrim HWY is a prestressed concrete box beam or girders - single or spread carrying ST 3 A/Tremont ST over ST 3 Pilgrim HWY in Plymouth County, Massachusetts. It was built in 1996, so it is 29 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.

It carries about 28,900 vehicles a day, roughly 7% of them trucks, projected to reach 48,800 by 2033. The structure is 144 ft (44 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesST 3 A/Tremont ST
CrossesST 3 Pilgrim HWY
Location.1M East of JCT RTE 53
RouteState Highway 3A
CountyPlymouth County
StateMassachusetts
Coordinates42.01396, -70.72654
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length144 ft (44 m)
Longest span70 ft (21.4 m)
Deck width60 ft (18.2 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,900 (2024)
Projected traffic48,800 by 2033
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 3 A/Tremont ST over ST 3 Pilgrim HWY built?

It was built in 1996, making it 29 years old in 2025.

What condition is ST 3 A/Tremont ST over ST 3 Pilgrim HWY 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 January 2024.

How much traffic does ST 3 A/Tremont ST over ST 3 Pilgrim HWY carry?

About 28,900 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is ST 3 A/Tremont ST over ST 3 Pilgrim HWY?

The structure is 144 ft (44 m) long with a longest span of 70 ft (21.4 m) and a deck 60 ft wide.

Who owns ST 3 A/Tremont ST over ST 3 Pilgrim HWY?

It is owned by the State Highway Agency.