US Bridges

ST 1 A/Vfw Pkwy over RR Mbta/Bmrr

Fair

Suffolk County, Massachusetts · .32 KM N JCT SR1A&145 · Structure no. R050043FQDOT634

Built
1932
93 years old, rebuilt 2003
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
138 ft
3 main spans
Daily traffic
47,457
2019 count
Owner
State
State Highway Agency

About this bridge

ST 1 A/Vfw Pkwy over RR Mbta/Bmrr is a prestressed concrete continuous box beam or girders - single or spread carrying ST 1 A/Vfw Pkwy over RR Mbta/Bmrr in Suffolk County, Massachusetts. It was built in 1932 and reconstructed in 2003, so it is 93 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 47,457 vehicles a day, roughly 8% of them trucks, projected to reach 44,378 by 2032. The structure is 138 ft (42.1 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST 1 A/Vfw Pkwy
CrossesRR Mbta/Bmrr
Location.32 KM N JCT SR1A&145
RouteCity Street 1A
Coordinates42.40963, -71.00027
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating64.2 US tons
Inventory rating55.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span61 ft (18.7 m)
Deck width88 ft (26.7 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,457 (2019)
Projected traffic44,378 by 2032
Trucks8%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of relocation of road
Estimated improvement cost$20.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 1 A/Vfw Pkwy over RR Mbta/Bmrr built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2003.

What condition is ST 1 A/Vfw Pkwy over RR Mbta/Bmrr 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 October 2023.

How much traffic does ST 1 A/Vfw Pkwy over RR Mbta/Bmrr carry?

About 47,457 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is ST 1 A/Vfw Pkwy over RR Mbta/Bmrr?

The structure is 138 ft (42.1 m) long with a longest span of 61 ft (18.7 m) and a deck 88 ft wide.

Who owns ST 1 A/Vfw Pkwy over RR Mbta/Bmrr?

It is owned by the State Highway Agency.