US Bridges

ST 47 Bay RD over Water Fort River

Fair

Hampshire County, Massachusetts · .1 M S JCT Middle St. · Structure no. H0100512JDOTNBI

Built
1935
90 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
126 ft
8 main spans
Daily traffic
17,800
2023 count
Owner
State
State Highway Agency

About this bridge

ST 47 Bay RD over Water Fort River is a concrete continuous slab carrying ST 47 Bay RD over Water Fort River in Hampshire County, Massachusetts. It was built in 1935, so it is 90 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 17,800 vehicles a day, roughly 3% of them trucks, projected to reach 11,028 by 2032. The structure is 126 ft (38.4 m) long and 38 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesST 47 Bay RD
CrossesWater Fort River
Location.1 M S JCT Middle St.
RouteState Highway 47
CountyHampshire County
StateMassachusetts
Coordinates42.33268, -72.57869
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length126 ft (38.4 m)
Longest span15 ft (4.7 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,800 (2023)
Projected traffic11,028 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemYes

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$4.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 47 Bay RD over Water Fort River built?

It was built in 1935, making it 90 years old in 2025.

What condition is ST 47 Bay RD over Water Fort 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 October 2023.

How much traffic does ST 47 Bay RD over Water Fort River carry?

About 17,800 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is ST 47 Bay RD over Water Fort River?

The structure is 126 ft (38.4 m) long with a longest span of 15 ft (4.7 m) and a deck 38 ft wide.

Who owns ST 47 Bay RD over Water Fort River?

It is owned by the State Highway Agency.