US Bridges

ST128 over Water Waters River

Good

Essex County, Massachusetts · 0.4 MI N of ST-114 · Structure no. D030188H7DOTNBI

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
80,652
2017 count
Owner
State
State Highway Agency

About this bridge

ST128 over Water Waters River is a prestressed concrete tee beam carrying ST128 over Water Waters River in Essex County, Massachusetts. It was built in 2021, so it is 4 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 80,652 vehicles a day, roughly 12% of them trucks. The structure is 72 ft (22 m) long and 95 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST128
CrossesWater Waters River
Location0.4 MI N of ST-114
RouteState Highway 128
Coordinates42.54715, -70.93659
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length72 ft (22 m)
Longest span70 ft (21.3 m)
Deck width95 ft (29.1 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80,652 (2017)
Projected traffic—
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was ST128 over Water Waters River built?

It was built in 2021, making it 4 years old in 2025.

What condition is ST128 over Water Waters 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 November 2023.

How much traffic does ST128 over Water Waters River carry?

About 80,652 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is ST128 over Water Waters River?

The structure is 72 ft (22 m) long with a longest span of 70 ft (21.3 m) and a deck 95 ft wide.

Who owns ST128 over Water Waters River?

It is owned by the State Highway Agency.