US Bridges

HWY River ST over ST 3

Fair

Plymouth County, Massachusetts · Adjacent Pine & Stetson · Structure no. N240054A6DOTNBI

Built
1961
64 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
281 ft
5 main spans
Daily traffic
6,000
2023 count
Owner
State
State Highway Agency

About this bridge

HWY River ST over ST 3 is a prestressed concrete stringer/multi-beam or girder carrying HWY River ST over ST 3 in Plymouth County, Massachusetts. It was built in 1961, so it is 64 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 5 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 6,000 vehicles a day, roughly 2% of them trucks, projected to reach 11,213 by 2032. The structure is 281 ft (85.6 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesHWY River ST
CrossesST 3
LocationAdjacent Pine & Stetson
RouteCity Street 0
CountyPlymouth County
StateMassachusetts
Coordinates42.12705, -70.80092
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating30.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length281 ft (85.6 m)
Longest span64 ft (19.5 m)
Deck width48 ft (14.7 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2023)
Projected traffic11,213 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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$12.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY River ST over ST 3 built?

It was built in 1961, making it 64 years old in 2025.

What condition is HWY River ST over ST 3 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 November 2023.

How much traffic does HWY River ST over ST 3 carry?

About 6,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is HWY River ST over ST 3?

The structure is 281 ft (85.6 m) long with a longest span of 64 ft (19.5 m) and a deck 48 ft wide.

Who owns HWY River ST over ST 3?

It is owned by the State Highway Agency.