US Bridges

ST128 over HWY Marsh ST

Fair

Essex County, Massachusetts · .3 MI S of Washington Cir · Structure no. G050222U9DOTNBI

Built
1948
77 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
35,677
2018 count
Owner
State
State Highway Agency

About this bridge

ST128 over HWY Marsh ST is a steel stringer/multi-beam or girder carrying ST128 over HWY Marsh ST 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 35,677 vehicles a day, roughly 2% of them trucks, projected to reach 92,863 by 2032. The structure is 46 ft (14 m) long and 88 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesST128
CrossesHWY Marsh ST
Location.3 MI S of Washington Cir
RouteState Highway 128
Coordinates42.62288, -70.68107
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.
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 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width88 ft (26.9 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,677 (2018)
Projected traffic92,863 by 2032
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 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$3.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST128 over HWY Marsh ST built?

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

What condition is ST128 over HWY Marsh 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 May 2023.

How much traffic does ST128 over HWY Marsh ST carry?

About 35,677 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is ST128 over HWY Marsh ST?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 88 ft wide.

Who owns ST128 over HWY Marsh ST?

It is owned by the State Highway Agency.