US Bridges

ST 3 Sb/Plgrm HWY over HWY Herring Pond RD

Fair

Plymouth County, Massachusetts · 1 M N of Bourne Tl · Structure no. P13039491DOTNBI

Built
1957
68 years old, rebuilt 1978
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
91 ft
1 main span
Daily traffic
13,357
2025 count
Owner
State
State Highway Agency

About this bridge

ST 3 Sb/Plgrm HWY over HWY Herring Pond RD is a steel stringer/multi-beam or girder carrying ST 3 Sb/Plgrm HWY over HWY Herring Pond RD in Plymouth County, Massachusetts. It was built in 1957 and reconstructed in 1978, so it is 68 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.

It carries about 13,357 vehicles a day, roughly 7% of them trucks, projected to reach 39,482 by 2032. The structure is 91 ft (27.7 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesST 3 Sb/Plgrm HWY
CrossesHWY Herring Pond RD
Location1 M N of Bourne Tl
RouteState Highway 3
Coordinates41.81343, -70.55388
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating27.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length91 ft (27.7 m)
Longest span83 ft (25.3 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,357 (2025)
Projected traffic39,482 by 2032
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 3 Sb/Plgrm HWY over HWY Herring Pond RD built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1978.

What condition is ST 3 Sb/Plgrm HWY over HWY Herring Pond RD 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 January 2025.

How much traffic does ST 3 Sb/Plgrm HWY over HWY Herring Pond RD carry?

About 13,357 vehicles per day (2025 count), of which roughly 7% are trucks.

How long is ST 3 Sb/Plgrm HWY over HWY Herring Pond RD?

The structure is 91 ft (27.7 m) long with a longest span of 83 ft (25.3 m) and a deck 43 ft wide.

Who owns ST 3 Sb/Plgrm HWY over HWY Herring Pond RD?

It is owned by the State Highway Agency.