US Bridges

HWY Bridge ST over Water Mill River

FairPosted for load

Hampshire County, Massachusetts · 800 E of Dwight ST · Structure no. H110040QLMUNNBI

Built
1937
88 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
112 ft
3 main spans
Daily traffic
905
2015 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Bridge ST over Water Mill River is a steel continuous stringer/multi-beam or girder carrying HWY Bridge ST 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. Its operating status is: posted for load restriction.

It carries about 905 vehicles a day, roughly 2% of them trucks, projected to reach 5,306 by 2032. The structure is 112 ft (34.1 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Bridge ST
CrossesWater Mill River
Location800 E of Dwight ST
RouteCity Street 0
Coordinates42.37039, -72.629
Functional classUrban Local

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.4 US tons
Inventory rating21.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length112 ft (34.1 m)
Longest span36 ft (11 m)
Deck width31 ft (9.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic905 (2015)
Projected traffic5,306 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$3.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Bridge ST over Water Mill River built?

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

What condition is HWY Bridge ST 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 August 2023.

How much traffic does HWY Bridge ST over Water Mill River carry?

About 905 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is HWY Bridge ST over Water Mill River?

The structure is 112 ft (34.1 m) long with a longest span of 36 ft (11 m) and a deck 31 ft wide.

Who owns HWY Bridge ST over Water Mill River?

It is owned by the Town or Township Highway Agency.