US Bridges

ST 3 A/Main ST over Water Jones River

Good

Plymouth County, Massachusetts · ST 3A at ST 80 · Structure no. K010019JKDOTNBI

Built
1895
130 years old
Condition
Good
inspected May 2024
Type
Arch - Deck
Masonry
Length
20 ft
1 main span
Daily traffic
33,491
2024 count
Owner
State
State Highway Agency

About this bridge

ST 3 A/Main ST over Water Jones River is a masonry arch - deck carrying ST 3 A/Main ST over Water Jones River in Plymouth County, Massachusetts. It was built in 1895, so it is 130 years old, older 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 33,491 vehicles a day, roughly 6% of them trucks, projected to reach 36,324 by 2019. The structure is 20 ft (6.1 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST 3 A/Main ST
CrossesWater Jones River
LocationST 3A at ST 80
RouteState Highway 3A
Coordinates41.99025, -70.72386
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.4 US tons
Inventory rating43.4 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width49 ft (14.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,491 (2024)
Projected traffic36,324 by 2019
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$704,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 3 A/Main ST over Water Jones River built?

It was built in 1895, making it 130 years old in 2025.

What condition is ST 3 A/Main ST over Water Jones River 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 May 2024.

How much traffic does ST 3 A/Main ST over Water Jones River carry?

About 33,491 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is ST 3 A/Main ST over Water Jones River?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 49 ft wide.

Who owns ST 3 A/Main ST over Water Jones River?

It is owned by the State Highway Agency.