US Bridges

HWY Blackstne ST over Water Blackstone River

Good

Worcester County, Massachusetts · 0.1M N of RT122A @grafton · Structure no. S33005BQJMUNNBI

Built
2019
6 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
72
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Blackstne ST over Water Blackstone River is a prestressed concrete stringer/multi-beam or girder carrying HWY Blackstne ST over Water Blackstone River in Worcester County, Massachusetts. It was built in 2019, so it is 6 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 72 vehicles a day. The structure is 117 ft (35.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Blackstne ST
CrossesWater Blackstone River
Location0.1M N of RT122A @grafton
RouteCity Street 0
CountyWorcester County
StateMassachusetts
Coordinates42.1808, -71.73021
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length117 ft (35.8 m)
Longest span112 ft (34 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2023)
Projected traffic—
Trucks0%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Blackstne ST over Water Blackstone River built?

It was built in 2019, making it 6 years old in 2025.

What condition is HWY Blackstne ST over Water Blackstone River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does HWY Blackstne ST over Water Blackstone River carry?

About 72 vehicles per day (2023 count).

How long is HWY Blackstne ST over Water Blackstone River?

The structure is 117 ft (35.8 m) long with a longest span of 112 ft (34 m) and a deck 35 ft wide.

Who owns HWY Blackstne ST over Water Blackstone River?

It is owned by the Town or Township Highway Agency.