US Bridges

HWY Park ST over RR MBTA

FairPosted for load

Suffolk County, Massachusetts · 1.9 KM NE of JCTSR109&RT1 · Structure no. B161163HGDOT634

Built
1900
125 years old, rebuilt 2010
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
32 ft
1 main span
Daily traffic
2,600
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Park ST over RR MBTA is a wood or timber stringer/multi-beam or girder carrying HWY Park ST over RR MBTA in Suffolk County, Massachusetts. It was built in 1900 and reconstructed in 2010, so it is 125 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. Its operating status is: posted for load restriction.

It carries about 2,600 vehicles a day, projected to reach 9,792 by 2031. The structure is 32 ft (9.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Park ST
CrossesRR MBTA
Location1.9 KM NE of JCTSR109&RT1
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.28436, -71.155
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment6: Equal to present minimum criteria
Operating rating24.6 US tons
Inventory rating17 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width39 ft (11.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2024)
Projected traffic9,792 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Park ST over RR MBTA built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2010.

What condition is HWY Park ST over RR MBTA 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 2024.

How much traffic does HWY Park ST over RR MBTA carry?

About 2,600 vehicles per day (2024 count).

How long is HWY Park ST over RR MBTA?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 39 ft wide.

Who owns HWY Park ST over RR MBTA?

It is owned by the State Highway Agency.