US Bridges

ST128 over HWY Maplewood Ave

Fair

Essex County, Massachusetts · .4 MI N Washington Circle · Structure no. G050252UADOTNBI

Built
1959
66 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
31,000
2024 count
Owner
State
State Highway Agency

About this bridge

ST128 over HWY Maplewood Ave is a steel stringer/multi-beam or girder carrying ST128 over HWY Maplewood Ave in Essex County, Massachusetts. It was built in 1959, so it is 66 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 31,000 vehicles a day, roughly 10% of them trucks, projected to reach 37,114 by 2031. The structure is 49 ft (14.9 m) long and 97 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesST128
CrossesHWY Maplewood Ave
Location.4 MI N Washington Circle
RouteState Highway 128
CountyEssex County
StateMassachusetts
Coordinates42.62354, -70.66952
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.3 US tons
Inventory rating27.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length49 ft (14.9 m)
Longest span44 ft (13.4 m)
Deck width97 ft (29.6 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2024)
Projected traffic37,114 by 2031
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST128 over HWY Maplewood Ave built?

It was built in 1959, making it 66 years old in 2025.

What condition is ST128 over HWY Maplewood 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 May 2024.

How much traffic does ST128 over HWY Maplewood Ave carry?

About 31,000 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is ST128 over HWY Maplewood Ave?

The structure is 49 ft (14.9 m) long with a longest span of 44 ft (13.4 m) and a deck 97 ft wide.

Who owns ST128 over HWY Maplewood Ave?

It is owned by the State Highway Agency.