US Bridges

HWY West Riv ST over Water West River

Fair

Worcester County, Massachusetts · .8 MI SW of Mendon ST · Structure no. U010011HWMUNNBI

Built
1959
66 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
776
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY West Riv ST over Water West River is a steel stringer/multi-beam or girder carrying HWY West Riv ST over Water West River in Worcester County, Massachusetts. It was built in 1959, so it is 66 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 6 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 776 vehicles a day, roughly 17% of them trucks, projected to reach 1,263 by 2032. The structure is 77 ft (23.5 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHWY West Riv ST
CrossesWater West River
Location.8 MI SW of Mendon ST
RouteCity Street 0
CountyWorcester County
StateMassachusetts
Coordinates42.14986, -71.6158
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.9 US tons
Inventory rating26.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length77 ft (23.5 m)
Longest span72 ft (21.9 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic776 (2023)
Projected traffic1,263 by 2032
Trucks17%
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$2.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY West Riv ST over Water West River built?

It was built in 1959, making it 66 years old in 2025.

What condition is HWY West Riv ST over Water West 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 West Riv ST over Water West River carry?

About 776 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is HWY West Riv ST over Water West River?

The structure is 77 ft (23.5 m) long with a longest span of 72 ft (21.9 m) and a deck 30 ft wide.

Who owns HWY West Riv ST over Water West River?

It is owned by the Town or Township Highway Agency.