US Bridges

HWY South ST over Water Town River

Good

Plymouth County, Massachusetts · Adjacent to River Ave · Structure no. W180036AWMUNNBI

Built
2008
17 years old
Condition
Good
inspected May 2023
Type
Arch - Deck
Concrete
Length
26 ft
1 main span
Daily traffic
7,888
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY South ST over Water Town River is a concrete arch - deck carrying HWY South ST over Water Town River in Plymouth County, Massachusetts. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,888 vehicles a day, roughly 2% of them trucks, projected to reach 7,423 by 2032. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY South ST
CrossesWater Town River
LocationAdjacent to River Ave
RouteCity Street 0
Coordinates42.01497, -71.01224
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating61.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,888 (2023)
Projected traffic7,423 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$940,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY South ST over Water Town River built?

It was built in 2008, making it 17 years old in 2025.

What condition is HWY South ST over Water Town 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 2023.

How much traffic does HWY South ST over Water Town River carry?

About 7,888 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is HWY South ST over Water Town River?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 36 ft wide.

Who owns HWY South ST over Water Town River?

It is owned by the Town or Township Highway Agency.