US Bridges

ST 3 NB Plgm HWY over HWY High ST

Good

Plymouth County, Massachusetts · 1 MI N of JCT RTE 53 & 3 · Structure no. N24003BRBDOTNBI

Built
2019
6 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
109 ft
1 main span
Daily traffic
64,267
2024 count
Owner
State
State Highway Agency

About this bridge

ST 3 NB Plgm HWY over HWY High ST is a steel stringer/multi-beam or girder carrying ST 3 NB Plgm HWY over HWY High ST in Plymouth County, Massachusetts. It was built in 2019, so it is 6 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 64,267 vehicles a day, roughly 5% of them trucks. The structure is 109 ft (33.2 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST 3 NB Plgm HWY
CrossesHWY High ST
Location1 MI N of JCT RTE 53 & 3
RouteState Highway 3
Coordinates42.15958, -70.87503
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating57.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length109 ft (33.2 m)
Longest span104 ft (31.6 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,267 (2024)
Projected traffic—
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 3 NB Plgm HWY over HWY High ST built?

It was built in 2019, making it 6 years old in 2025.

What condition is ST 3 NB Plgm HWY over HWY High 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 September 2024.

How much traffic does ST 3 NB Plgm HWY over HWY High ST carry?

About 64,267 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is ST 3 NB Plgm HWY over HWY High ST?

The structure is 109 ft (33.2 m) long with a longest span of 104 ft (31.6 m) and a deck 59 ft wide.

Who owns ST 3 NB Plgm HWY over HWY High ST?

It is owned by the State Highway Agency.