US Bridges

ST 28 Mcgrath over HWY Washington ST

Fair

Middlesex County, Massachusetts · .1 MI W of Allston ST · Structure no. S170394E5DOTNBI

Built
1951
74 years old, rebuilt 1983
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
650 ft
9 main spans
Daily traffic
18,860
2023 count
Owner
State
State Highway Agency

About this bridge

ST 28 Mcgrath over HWY Washington ST is a steel stringer/multi-beam or girder carrying ST 28 Mcgrath over HWY Washington ST in Middlesex County, Massachusetts. It was built in 1951 and reconstructed in 1983, so it is 74 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 18,860 vehicles a day, roughly 2% of them trucks, projected to reach 6,317 by 2033. The structure is 650 ft (198.1 m) long and 69 ft wide.

Location

Open in Google Maps
CarriesST 28 Mcgrath
CrossesHWY Washington ST
Location.1 MI W of Allston ST
RouteState Highway 28
CountyMiddlesex County
StateMassachusetts
Coordinates42.38024, -71.08974
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length650 ft (198.1 m)
Longest span74 ft (22.5 m)
Deck width69 ft (20.9 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,860 (2023)
Projected traffic6,317 by 2033
Trucks2%
Lanes on structure4
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$40.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 28 Mcgrath over HWY Washington ST built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1983.

What condition is ST 28 Mcgrath over HWY Washington 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 2024.

How much traffic does ST 28 Mcgrath over HWY Washington ST carry?

About 18,860 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is ST 28 Mcgrath over HWY Washington ST?

The structure is 650 ft (198.1 m) long with a longest span of 74 ft (22.5 m) and a deck 69 ft wide.

Who owns ST 28 Mcgrath over HWY Washington ST?

It is owned by the State Highway Agency.