US Bridges

ST128 over ST133 Essex Ave

Fair

Essex County, Massachusetts · 1.7 MI S Annisquam River · Structure no. G050242U6DOTNBI

Built
1948
77 years old
Condition
Fair
inspected September 2024
Type
Frame
Concrete
Length
64 ft
1 main span
Daily traffic
33,522
2024 count
Owner
State
State Highway Agency

About this bridge

ST128 over ST133 Essex Ave is a concrete frame carrying ST128 over ST133 Essex Ave in Essex County, Massachusetts. It was built in 1948, so it is 77 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 33,522 vehicles a day, roughly 9% of them trucks, projected to reach 55,907 by 2031. The structure is 64 ft (19.5 m) long and 84 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesST128
CrossesST133 Essex Ave
Location1.7 MI S Annisquam River
RouteState Highway 128
Coordinates42.6183, -70.72147
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.4 US tons
Inventory rating30.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length64 ft (19.5 m)
Longest span64 ft (19.5 m)
Deck width84 ft (25.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,522 (2024)
Projected traffic55,907 by 2031
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST128 over ST133 Essex Ave built?

It was built in 1948, making it 77 years old in 2025.

What condition is ST128 over ST133 Essex Ave 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 ST128 over ST133 Essex Ave carry?

About 33,522 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is ST128 over ST133 Essex Ave?

The structure is 64 ft (19.5 m) long with a longest span of 64 ft (19.5 m) and a deck 84 ft wide.

Who owns ST128 over ST133 Essex Ave?

It is owned by the State Highway Agency.