US Bridges

HWY West ST over Water Farm River

Good

Norfolk County, Massachusetts · 1.6 KM West of ST 37 · Structure no. B21070AP4MUNNBI

Built
1998
27 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
8,800
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY West ST over Water Farm River is a prestressed concrete slab carrying HWY West ST over Water Farm River in Norfolk County, Massachusetts. It was built in 1998, so it is 27 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 8,800 vehicles a day, roughly 6% of them trucks, projected to reach 12,792 by 2031. The structure is 33 ft (10.2 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHWY West ST
CrossesWater Farm River
Location1.6 KM West of ST 37
RouteCity Street 0
Coordinates42.20857, -71.04015
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span30 ft (9 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2024)
Projected traffic12,792 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY West ST over Water Farm River built?

It was built in 1998, making it 27 years old in 2025.

What condition is HWY West ST over Water Farm River 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 October 2024.

How much traffic does HWY West ST over Water Farm River carry?

About 8,800 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is HWY West ST over Water Farm River?

The structure is 33 ft (10.2 m) long with a longest span of 30 ft (9 m) and a deck 28 ft wide.

Who owns HWY West ST over Water Farm River?

It is owned by the Town or Township Highway Agency.