US Bridges

ST 3 Sb/Plgrm HWY over HWY Franklin ST

Poor

Plymouth County, Massachusetts · 2 MI E of Pembroke Tl · Structure no. D1401048JDOTNBI

Built
1962
63 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
3 main spans
Daily traffic
24,431
2022 count
Owner
State
State Highway Agency

About this bridge

ST 3 Sb/Plgrm HWY over HWY Franklin ST is a steel stringer/multi-beam or girder carrying ST 3 Sb/Plgrm HWY over HWY Franklin ST in Plymouth County, Massachusetts. It was built in 1962, so it is 63 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 24,431 vehicles a day, roughly 10% of them trucks, projected to reach 67,120 by 2033. The structure is 110 ft (33.5 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesST 3 Sb/Plgrm HWY
CrossesHWY Franklin ST
Location2 MI E of Pembroke Tl
RouteState Highway 3
Coordinates42.06654, -70.72913
Functional classUrban Principal Arterial - Other Freeway or Expressway

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.1 US tons
Inventory rating35.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length110 ft (33.5 m)
Longest span51 ft (15.5 m)
Deck width44 ft (13.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,431 (2022)
Projected traffic67,120 by 2033
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 3 Sb/Plgrm HWY over HWY Franklin ST built?

It was built in 1962, making it 63 years old in 2025.

What condition is ST 3 Sb/Plgrm HWY over HWY Franklin ST 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 2024.

How much traffic does ST 3 Sb/Plgrm HWY over HWY Franklin ST carry?

About 24,431 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is ST 3 Sb/Plgrm HWY over HWY Franklin ST?

The structure is 110 ft (33.5 m) long with a longest span of 51 ft (15.5 m) and a deck 44 ft wide.

Who owns ST 3 Sb/Plgrm HWY over HWY Franklin ST?

It is owned by the State Highway Agency.