US Bridges

ST104 Plymouth ST over Water Taunton River

Fair

Plymouth County, Massachusetts · 1 MI S East Bridgewater · Structure no. B2301142JMUNNBI

Built
1993
32 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
22,370
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

ST104 Plymouth ST over Water Taunton River is a prestressed concrete box beam or girders - single or spread carrying ST104 Plymouth ST over Water Taunton River in Plymouth County, Massachusetts. It was built in 1993, so it is 32 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 6 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 22,370 vehicles a day, roughly 13% of them trucks, projected to reach 31,112 by 2032. The structure is 82 ft (25 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST104 Plymouth ST
CrossesWater Taunton River
Location1 MI S East Bridgewater
RouteCity Street 104
Coordinates41.99258, -70.9399
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.4 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span77 ft (23.5 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,370 (2023)
Projected traffic31,112 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$670,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST104 Plymouth ST over Water Taunton River built?

It was built in 1993, making it 32 years old in 2025.

What condition is ST104 Plymouth ST over Water Taunton River 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 December 2023.

How much traffic does ST104 Plymouth ST over Water Taunton River carry?

About 22,370 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is ST104 Plymouth ST over Water Taunton River?

The structure is 82 ft (25 m) long with a longest span of 77 ft (23.5 m) and a deck 49 ft wide.

Who owns ST104 Plymouth ST over Water Taunton River?

It is owned by the Town or Township Highway Agency.