US Bridges

HWY River ST over Water Assabet River

FairPosted for load

Worcester County, Massachusetts · 150 Ft. S. of Hudson St. · Structure no. N200011GTMUNNBI

Built
1961
64 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
1,050
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY River ST over Water Assabet River is a concrete continuous slab carrying HWY River ST over Water Assabet River in Worcester County, Massachusetts. It was built in 1961, so it is 64 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 1,050 vehicles a day, roughly 25% of them trucks, projected to reach 948 by 2032. The structure is 60 ft (18.3 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY River ST
CrossesWater Assabet River
Location150 Ft. S. of Hudson St.
RouteCity Street 0
Coordinates42.32328, -71.638
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length60 ft (18.3 m)
Longest span18 ft (5.5 m)
Deck width37 ft (11.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2023)
Projected traffic948 by 2032
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 River ST over Water Assabet River built?

It was built in 1961, making it 64 years old in 2025.

What condition is HWY River ST over Water Assabet 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 July 2023.

How much traffic does HWY River ST over Water Assabet River carry?

About 1,050 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is HWY River ST over Water Assabet River?

The structure is 60 ft (18.3 m) long with a longest span of 18 ft (5.5 m) and a deck 37 ft wide.

Who owns HWY River ST over Water Assabet River?

It is owned by the Town or Township Highway Agency.