US Bridges

HWY W Roxbry Pky over RR MBTA

Poor

Suffolk County, Massachusetts · .1 MI E of Beach ST · Structure no. B161814ENDOTNBI

Built
1921
104 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
27,414
2024 count
Owner
State
State Highway Agency

About this bridge

HWY W Roxbry Pky over RR MBTA is a steel stringer/multi-beam or girder carrying HWY W Roxbry Pky over RR MBTA in Suffolk County, Massachusetts. It was built in 1921, so it is 104 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 27,414 vehicles a day, roughly 6% of them trucks, projected to reach 33,955 by 2031. The structure is 37 ft (11.3 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY W Roxbry Pky
CrossesRR MBTA
Location.1 MI E of Beach ST
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.28652, -71.14774
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating71.4 US tons
Inventory rating42.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span34 ft (10.4 m)
Deck width62 ft (18.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,414 (2024)
Projected traffic33,955 by 2031
Trucks6%
Lanes on structure4
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY W Roxbry Pky over RR MBTA built?

It was built in 1921, making it 104 years old in 2025.

What condition is HWY W Roxbry Pky over RR MBTA in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does HWY W Roxbry Pky over RR MBTA carry?

About 27,414 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is HWY W Roxbry Pky over RR MBTA?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 62 ft wide.

Who owns HWY W Roxbry Pky over RR MBTA?

It is owned by the State Highway Agency.