US Bridges

ST 37 Howard ST over RR Mbta/Csx

Fair

Plymouth County, Massachusetts · Adjacent to JCT ST 28 · Structure no. B250214CHDOT634

Built
1997
28 years old
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
15,448
2023 count
Owner
State
State Highway Agency

About this bridge

ST 37 Howard ST over RR Mbta/Csx is a prestressed concrete slab carrying ST 37 Howard ST over RR Mbta/Csx in Plymouth County, Massachusetts. It was built in 1997, so it is 28 years old, younger 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 15,448 vehicles a day, roughly 7% of them trucks, projected to reach 47,537 by 2032. The structure is 45 ft (13.6 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST 37 Howard ST
CrossesRR Mbta/Csx
LocationAdjacent to JCT ST 28
RouteState Highway 37
CountyPlymouth County
StateMassachusetts
Coordinates42.10834, -71.02316
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJanuary 2025
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 alignment6: Equal to present minimum criteria
Operating rating90.3 US tons
Inventory rating54.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length45 ft (13.6 m)
Longest span43 ft (13 m)
Deck width71 ft (21.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,448 (2023)
Projected traffic47,537 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 37 Howard ST over RR Mbta/Csx built?

It was built in 1997, making it 28 years old in 2025.

What condition is ST 37 Howard ST over RR Mbta/Csx 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 January 2025.

How much traffic does ST 37 Howard ST over RR Mbta/Csx carry?

About 15,448 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is ST 37 Howard ST over RR Mbta/Csx?

The structure is 45 ft (13.6 m) long with a longest span of 43 ft (13 m) and a deck 71 ft wide.

Who owns ST 37 Howard ST over RR Mbta/Csx?

It is owned by the State Highway Agency.