US Bridges

ST 47 River Drive over Water Mill River

Fair

Hampshire County, Massachusetts · 3.2 M S Sunderland T.L. · Structure no. H0100112KDOTNBI

Built
1937
88 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
4,700
2023 count
Owner
State
State Highway Agency

About this bridge

ST 47 River Drive over Water Mill River is a concrete culvert carrying ST 47 River Drive over Water Mill River in Hampshire County, Massachusetts. It was built in 1937, so it is 88 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 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 4,700 vehicles a day, roughly 11% of them trucks, projected to reach 6,317 by 2032. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesST 47 River Drive
CrossesWater Mill River
Location3.2 M S Sunderland T.L.
RouteState Highway 47
Coordinates42.38361, -72.58333
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating41.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2023)
Projected traffic6,317 by 2032
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.2 mi (18 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$919,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 47 River Drive over Water Mill River built?

It was built in 1937, making it 88 years old in 2025.

What condition is ST 47 River Drive over Water Mill River 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 December 2023.

How much traffic does ST 47 River Drive over Water Mill River carry?

About 4,700 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is ST 47 River Drive over Water Mill River?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m).

Who owns ST 47 River Drive over Water Mill River?

It is owned by the State Highway Agency.