US Bridges

ST128 over ST 1 A/Dodge ST

Fair

Essex County, Massachusetts · JCT ST 1A & ST 128 · Structure no. B110102TXDOTNBI

Built
1946
79 years old
Condition
Fair
inspected December 2023
Type
Frame
Concrete
Length
83 ft
1 main span
Daily traffic
72,500
2019 count
Owner
State
State Highway Agency

About this bridge

ST128 over ST 1 A/Dodge ST is a concrete frame carrying ST128 over ST 1 A/Dodge ST in Essex County, Massachusetts. It was built in 1946, so it is 79 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 6 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 72,500 vehicles a day, roughly 6% of them trucks, projected to reach 72,427 by 2032. The structure is 83 ft (25.3 m) long and 88 ft wide.

CarriesST128
CrossesST 1 A/Dodge ST
LocationJCT ST 1A & ST 128
RouteState Highway 128
Coordinates42.57468, -70.89223
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating89.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length83 ft (25.3 m)
Longest span69 ft (21 m)
Deck width88 ft (26.8 m)
Roadway width72 ft (22 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,500 (2019)
Projected traffic72,427 by 2032
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST128 over ST 1 A/Dodge ST built?

It was built in 1946, making it 79 years old in 2025.

What condition is ST128 over ST 1 A/Dodge 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 ST 1 A/Dodge ST carry?

About 72,500 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is ST128 over ST 1 A/Dodge ST?

The structure is 83 ft (25.3 m) long with a longest span of 69 ft (21 m) and a deck 88 ft wide.

Who owns ST128 over ST 1 A/Dodge ST?

It is owned by the State Highway Agency.