US Bridges

ST 28 Broadway over Water Merrimack River

Fair

Essex County, Massachusetts · At Merrimac River · Structure no. L040012YHDOTNBI

Built
1935
90 years old, rebuilt 2011
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
597 ft
4 main spans
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

ST 28 Broadway over Water Merrimack River is a steel continuous stringer/multi-beam or girder carrying ST 28 Broadway over Water Merrimack River in Essex County, Massachusetts. It was built in 1935 and reconstructed in 2011, so it is 90 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 11,000 vehicles a day, roughly 7% of them trucks, projected to reach 38,456 by 2032. The structure is 597 ft (182 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST 28 Broadway
CrossesWater Merrimack River
LocationAt Merrimac River
RouteState Highway 28
Coordinates42.70098, -71.1655
Functional classUrban Other Principal Arterial

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.3 US tons
Inventory rating28.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length597 ft (182 m)
Longest span147 ft (44.8 m)
Deck width59 ft (18 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2023)
Projected traffic38,456 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$32.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 28 Broadway over Water Merrimack River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2011.

What condition is ST 28 Broadway over Water Merrimack River 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 June 2023.

How much traffic does ST 28 Broadway over Water Merrimack River carry?

About 11,000 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is ST 28 Broadway over Water Merrimack River?

The structure is 597 ft (182 m) long with a longest span of 147 ft (44.8 m) and a deck 59 ft wide.

Who owns ST 28 Broadway over Water Merrimack River?

It is owned by the State Highway Agency.