US Bridges

ST 32 West ST over Water Flat Brook

Fair

Hampshire County, Massachusetts · .1 M W JCT Towne St. · Structure no. W0502112NDOTNBI

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
14,134
2018 count
Owner
State
State Highway Agency

About this bridge

ST 32 West ST over Water Flat Brook is a prestressed concrete slab carrying ST 32 West ST over Water Flat Brook in Hampshire County, Massachusetts. It was built in 1971, so it is 54 years old, younger 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 5 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 14,134 vehicles a day, roughly 3% of them trucks, projected to reach 20,215 by 2031. The structure is 36 ft (11 m) long and 53 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesST 32 West ST
CrossesWater Flat Brook
Location.1 M W JCT Towne St.
RouteState Highway 32
CountyHampshire County
StateMassachusetts
Coordinates42.24898, -72.26408
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width53 ft (16.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,134 (2018)
Projected traffic20,215 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 32 West ST over Water Flat Brook built?

It was built in 1971, making it 54 years old in 2025.

What condition is ST 32 West ST over Water Flat Brook 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 September 2024.

How much traffic does ST 32 West ST over Water Flat Brook carry?

About 14,134 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is ST 32 West ST over Water Flat Brook?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 53 ft wide.

Who owns ST 32 West ST over Water Flat Brook?

It is owned by the State Highway Agency.