US Bridges

ST 28 S Main ST over Water Town River

FairPosted for load

Plymouth County, Massachusetts · 0.2 M S of RTE 106 · Structure no. W1800146EDOTNBI

Built
1897
128 years old, rebuilt 1947
Condition
Fair
inspected May 2024
Type
Arch - Deck
Masonry
Length
39 ft
1 main span
Daily traffic
20,043
2024 count
Owner
State
State Highway Agency

About this bridge

ST 28 S Main ST over Water Town River is a masonry arch - deck carrying ST 28 S Main ST over Water Town River in Plymouth County, Massachusetts. It was built in 1897 and reconstructed in 1947, so it is 128 years old, older 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. Its operating status is: posted for load restriction.

It carries about 20,043 vehicles a day, roughly 5% of them trucks, projected to reach 45,326 by 2031. The structure is 39 ft (11.9 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST 28 S Main ST
CrossesWater Town River
Location0.2 M S of RTE 106
RouteState Highway 28
CountyPlymouth County
StateMassachusetts
Coordinates42.0175, -71.00343
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.2 US tons
Inventory rating20.8 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length39 ft (11.9 m)
Longest span34 ft (10.4 m)
Deck width60 ft (18.4 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,043 (2024)
Projected traffic45,326 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 28 S Main ST over Water Town River built?

It was built in 1897, making it 128 years old in 2025. It was reconstructed in 1947.

What condition is ST 28 S Main ST over Water Town 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 May 2024.

How much traffic does ST 28 S Main ST over Water Town River carry?

About 20,043 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is ST 28 S Main ST over Water Town River?

The structure is 39 ft (11.9 m) long with a longest span of 34 ft (10.4 m) and a deck 60 ft wide.

Who owns ST 28 S Main ST over Water Town River?

It is owned by the State Highway Agency.