US Bridges

HWY Centre ST over RR MBTA

Poor

Suffolk County, Massachusetts · 1.6 KM NE JCT SR109&RT1 · Structure no. B161183HHDOT634

Built
1888
137 years old, rebuilt 1969
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
23,147
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Centre ST over RR MBTA is a steel stringer/multi-beam or girder carrying HWY Centre ST over RR MBTA in Suffolk County, Massachusetts. It was built in 1888 and reconstructed in 1969, so it is 137 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 23,147 vehicles a day, roughly 2% of them trucks, projected to reach 57,802 by 2031. The structure is 50 ft (15.2 m) long and 227 ft wide.

Location

Open in Google Maps
CarriesHWY Centre ST
CrossesRR MBTA
Location1.6 KM NE JCT SR109&RT1
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.28309, -71.15723
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 alignment7: Better than present minimum criteria
Operating rating62.2 US tons
Inventory rating42.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width227 ft (69.3 m)
Roadway width54 ft (16.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,147 (2024)
Projected traffic57,802 by 2031
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemNo

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$10.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Centre ST over RR MBTA built?

It was built in 1888, making it 137 years old in 2025. It was reconstructed in 1969.

What condition is HWY Centre ST 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 June 2024.

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

About 23,147 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is HWY Centre ST over RR MBTA?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 227 ft wide.

Who owns HWY Centre ST over RR MBTA?

It is owned by the State Highway Agency.