US Bridges

HWY Allen ST over Water Salisbury Brook

Good

Plymouth County, Massachusetts · At Main ST · Structure no. B2501090XMUNNBI

Built
2002
23 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
2,068
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Allen ST over Water Salisbury Brook is a prestressed concrete slab carrying HWY Allen ST over Water Salisbury Brook in Plymouth County, Massachusetts. It was built in 2002, so it is 23 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,068 vehicles a day, roughly 14% of them trucks, projected to reach 2,369 by 2033. The structure is 33 ft (10 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesHWY Allen ST
CrossesWater Salisbury Brook
LocationAt Main ST
RouteCity Street 0
CountyPlymouth County
StateMassachusetts
Coordinates42.07831, -71.01931
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating105.1 US tons
Inventory rating62.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length33 ft (10 m)
Longest span30 ft (9 m)
Deck width41 ft (12.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,068 (2024)
Projected traffic2,369 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Allen ST over Water Salisbury Brook built?

It was built in 2002, making it 23 years old in 2025.

What condition is HWY Allen ST over Water Salisbury Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does HWY Allen ST over Water Salisbury Brook carry?

About 2,068 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is HWY Allen ST over Water Salisbury Brook?

The structure is 33 ft (10 m) long with a longest span of 30 ft (9 m) and a deck 41 ft wide.

Who owns HWY Allen ST over Water Salisbury Brook?

It is owned by the City or Municipal Highway Agency.