US Bridges

ST 25 EB over Water Mill Pond

Good

Plymouth County, Massachusetts · .1 M W of Glen Charlie RD · Structure no. W06036465DOTNBI

Built
1981
44 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
38,664
2023 count
Owner
State
State Highway Agency

About this bridge

ST 25 EB over Water Mill Pond is a concrete continuous slab carrying ST 25 EB over Water Mill Pond in Plymouth County, Massachusetts. It was built in 1981, so it is 44 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 38,664 vehicles a day, roughly 10% of them trucks, projected to reach 49,669 by 2032. The structure is 73 ft (22.3 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesST 25 EB
CrossesWater Mill Pond
Location.1 M W of Glen Charlie RD
RouteState Highway 25
Coordinates41.76575, -70.67471
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span25 ft (7.6 m)
Deck width57 ft (17.4 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,664 (2023)
Projected traffic49,669 by 2032
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 25 EB over Water Mill Pond built?

It was built in 1981, making it 44 years old in 2025.

What condition is ST 25 EB over Water Mill Pond 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 June 2023.

How much traffic does ST 25 EB over Water Mill Pond carry?

About 38,664 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is ST 25 EB over Water Mill Pond?

The structure is 73 ft (22.3 m) long with a longest span of 25 ft (7.6 m) and a deck 57 ft wide.

Who owns ST 25 EB over Water Mill Pond?

It is owned by the State Highway Agency.