US Bridges

ST 3 A/Sb Warren over HWY Plimoth Plntn HWY

Fair

Plymouth County, Massachusetts · 3.5 M S of RTE 44 · Structure no. P1302946YDOTNBI

Built
1950
75 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
172 ft
3 main spans
Daily traffic
9,051
2024 count
Owner
State
State Highway Agency

About this bridge

ST 3 A/Sb Warren over HWY Plimoth Plntn HWY is a steel stringer/multi-beam or girder carrying ST 3 A/Sb Warren over HWY Plimoth Plntn HWY in Plymouth County, Massachusetts. It was built in 1950, so it is 75 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 9,051 vehicles a day, roughly 6% of them trucks, projected to reach 27,954 by 2031. The structure is 172 ft (52.4 m) long and 37 ft wide.

Location

Open in Google Maps
CarriesST 3 A/Sb Warren
CrossesHWY Plimoth Plntn HWY
Location3.5 M S of RTE 44
RouteState Highway 30
CountyPlymouth County
StateMassachusetts
Coordinates41.93863, -70.61338
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length172 ft (52.4 m)
Longest span79 ft (24.1 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,051 (2024)
Projected traffic27,954 by 2031
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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$5.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 3 A/Sb Warren over HWY Plimoth Plntn HWY built?

It was built in 1950, making it 75 years old in 2025.

What condition is ST 3 A/Sb Warren over HWY Plimoth Plntn HWY 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 September 2024.

How much traffic does ST 3 A/Sb Warren over HWY Plimoth Plntn HWY carry?

About 9,051 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is ST 3 A/Sb Warren over HWY Plimoth Plntn HWY?

The structure is 172 ft (52.4 m) long with a longest span of 79 ft (24.1 m) and a deck 37 ft wide.

Who owns ST 3 A/Sb Warren over HWY Plimoth Plntn HWY?

It is owned by the State Highway Agency.