US Bridges

ST140 Washngton ST over Water Mill River

Good

Bristol County, Massachusetts · .1 MI NE of Tremont ST · Structure no. T01015BHKDOTNBI

Built
2016
9 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
17,538
2022 count
Owner
State
State Highway Agency

About this bridge

ST140 Washngton ST over Water Mill River is a steel stringer/multi-beam or girder carrying ST140 Washngton ST over Water Mill River in Bristol County, Massachusetts. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,538 vehicles a day, roughly 6% of them trucks. The structure is 77 ft (23.6 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST140 Washngton ST
CrossesWater Mill River
Location.1 MI NE of Tremont ST
RouteState Highway 140
Coordinates41.90335, -71.09763
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length77 ft (23.6 m)
Longest span74 ft (22.5 m)
Deck width72 ft (21.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,538 (2022)
Projected traffic—
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST140 Washngton ST over Water Mill River built?

It was built in 2016, making it 9 years old in 2025.

What condition is ST140 Washngton ST over Water Mill River 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 August 2023.

How much traffic does ST140 Washngton ST over Water Mill River carry?

About 17,538 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is ST140 Washngton ST over Water Mill River?

The structure is 77 ft (23.6 m) long with a longest span of 74 ft (22.5 m) and a deck 72 ft wide.

Who owns ST140 Washngton ST over Water Mill River?

It is owned by the State Highway Agency.