US Bridges

HWY Maskwonicut over RR Amtrak/Mbta

FairClosed to traffic

Norfolk County, Massachusetts · Maskwonicut/Rr Amtrak/Mbt · Structure no. S0900340NDOT634

Built
1901
124 years old, rebuilt 1977
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
36 ft
1 main span
Daily traffic
3,500
2013 count
Owner
State
State Highway Agency

About this bridge

HWY Maskwonicut over RR Amtrak/Mbta is a wood or timber stringer/multi-beam or girder carrying HWY Maskwonicut over RR Amtrak/Mbta in Norfolk County, Massachusetts. It was built in 1901 and reconstructed in 1977, so it is 124 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: closed to all traffic.

It carries about 3,500 vehicles a day, roughly 8% of them trucks, projected to reach 4,896 by 2032. The structure is 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHWY Maskwonicut
CrossesRR Amtrak/Mbta
LocationMaskwonicut/Rr Amtrak/Mbt
RouteCity Street 0
CountyNorfolk County
StateMassachusetts
Coordinates42.13296, -71.177
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
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span20 ft (6 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2013)
Projected traffic4,896 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Maskwonicut over RR Amtrak/Mbta built?

It was built in 1901, making it 124 years old in 2025. It was reconstructed in 1977.

What condition is HWY Maskwonicut over RR Amtrak/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 May 2023.

How much traffic does HWY Maskwonicut over RR Amtrak/Mbta carry?

About 3,500 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is HWY Maskwonicut over RR Amtrak/Mbta?

The structure is 36 ft (11 m) long with a longest span of 20 ft (6 m) and a deck 29 ft wide.

Who owns HWY Maskwonicut over RR Amtrak/Mbta?

It is owned by the State Highway Agency.