US Bridges

HWY New Bridge over RR MBTA

Fair

Plymouth County, Massachusetts · MP 15/950 Mbcr · Structure no. H150014C7DOT634

Built
1900
125 years old, rebuilt 1957
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
63 ft
2 main spans
Daily traffic
5,948
2024 count
Owner
State
State Highway Agency

About this bridge

HWY New Bridge over RR MBTA is a prestressed concrete slab carrying HWY New Bridge over RR MBTA in Plymouth County, Massachusetts. It was built in 1900 and reconstructed in 1957, 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.

It carries about 5,948 vehicles a day, roughly 7% of them trucks, projected to reach 6,791 by 2031. The structure is 63 ft (19.2 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHWY New Bridge
CrossesRR MBTA
LocationMP 15/950 Mbcr
RouteCity Street 0
CountyPlymouth County
StateMassachusetts
Coordinates42.23094, -70.90525
Functional classUrban Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span38 ft (11.6 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,948 (2024)
Projected traffic6,791 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY New Bridge over RR MBTA built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1957.

What condition is HWY New Bridge 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 June 2024.

How much traffic does HWY New Bridge over RR MBTA carry?

About 5,948 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is HWY New Bridge over RR MBTA?

The structure is 63 ft (19.2 m) long with a longest span of 38 ft (11.6 m) and a deck 40 ft wide.

Who owns HWY New Bridge over RR MBTA?

It is owned by the State Highway Agency.