US Bridges

ST128 over HWY Lowell ST

Fair

Essex County, Massachusetts · .8 MI S ST114 · Structure no. P030152UEDOTNBI

Built
1937
88 years old, rebuilt 1989
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
102,600
2018 count
Owner
State
State Highway Agency

About this bridge

ST128 over HWY Lowell ST is a steel stringer/multi-beam or girder carrying ST128 over HWY Lowell ST in Essex County, Massachusetts. It was built in 1937 and reconstructed in 1989, so it is 88 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 102,600 vehicles a day, roughly 7% of them trucks, projected to reach 151,455 by 2032. The structure is 100 ft (30.5 m) long and 78 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesST128
CrossesHWY Lowell ST
Location.8 MI S ST114
RouteState Highway 128
CountyEssex County
StateMassachusetts
Coordinates42.53361, -70.95071
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.2 US tons
Inventory rating41.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span60 ft (18.3 m)
Deck width78 ft (23.9 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,600 (2018)
Projected traffic151,455 by 2032
Trucks7%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$7.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST128 over HWY Lowell ST built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1989.

What condition is ST128 over HWY Lowell ST 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 December 2023.

How much traffic does ST128 over HWY Lowell ST carry?

About 102,600 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is ST128 over HWY Lowell ST?

The structure is 100 ft (30.5 m) long with a longest span of 60 ft (18.3 m) and a deck 78 ft wide.

Who owns ST128 over HWY Lowell ST?

It is owned by the State Highway Agency.