US Bridges

HWY Oak ST over Water Town River

FairPosted for load

Plymouth County, Massachusetts · .2 MI N of ST 28 · Structure no. B2300944JMUNNBI

Built
1880
145 years old
Condition
Fair
inspected July 2024
Type
Arch - Deck
Masonry
Length
39 ft
1 main span
Daily traffic
1,164
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Oak ST over Water Town River is a masonry arch - deck carrying HWY Oak ST over Water Town River in Plymouth County, Massachusetts. It was built in 1880, so it is 145 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 1,164 vehicles a day, projected to reach 5,054 by 2032. The structure is 39 ft (12 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Oak ST
CrossesWater Town River
Location.2 MI N of ST 28
RouteCity Street 0
CountyPlymouth County
StateMassachusetts
Coordinates41.99721, -70.97793
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18 US tons
Inventory rating17.9 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length39 ft (12 m)
Longest span39 ft (12 m)
Deck width23 ft (7.1 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,164 (2024)
Projected traffic5,054 by 2032
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Oak ST over Water Town River built?

It was built in 1880, making it 145 years old in 2025.

What condition is HWY Oak 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 July 2024.

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

About 1,164 vehicles per day (2024 count).

How long is HWY Oak ST over Water Town River?

The structure is 39 ft (12 m) long with a longest span of 39 ft (12 m) and a deck 23 ft wide.

Who owns HWY Oak ST over Water Town River?

It is owned by the Town or Township Highway Agency.