US Bridges

HWY Main ST over Water Salisbury Brook

Good

Plymouth County, Massachusetts · Adjacent to Allen ST · Structure no. B25011AELMUNNBI

Built
1997
28 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
14,095
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Main ST over Water Salisbury Brook is a prestressed concrete slab carrying HWY Main ST over Water Salisbury Brook in Plymouth County, Massachusetts. It was built in 1997, so it is 28 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,095 vehicles a day, roughly 5% of them trucks, projected to reach 33,481 by 2033. The structure is 37 ft (11.3 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Main ST
CrossesWater Salisbury Brook
LocationAdjacent to Allen ST
RouteCity Street 0
Coordinates42.07813, -71.01982
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.3 US tons
Inventory rating57.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span33 ft (10.1 m)
Deck width53 ft (16.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,095 (2024)
Projected traffic33,481 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$674,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Main ST over Water Salisbury Brook built?

It was built in 1997, making it 28 years old in 2025.

What condition is HWY Main 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 February 2024.

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

About 14,095 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is HWY Main ST over Water Salisbury Brook?

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 53 ft wide.

Who owns HWY Main ST over Water Salisbury Brook?

It is owned by the City or Municipal Highway Agency.