US Bridges

HWY Central ST over Water Blackstone River

Good

Worcester County, Massachusetts · .2 MI S of ST-122 · Structure no. M24001AXNMUNNBI

Built
2006
19 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
5,599
2021 count
Owner
State
State Highway Agency

About this bridge

HWY Central ST over Water Blackstone River is a prestressed concrete stringer/multi-beam or girder carrying HWY Central ST over Water Blackstone River in Worcester County, Massachusetts. It was built in 2006, so it is 19 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 5,599 vehicles a day, roughly 8% of them trucks. The structure is 100 ft (30.5 m) long and 50 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesHWY Central ST
CrossesWater Blackstone River
Location.2 MI S of ST-122
RouteCity Street 0
Coordinates42.02611, -71.58166
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length100 ft (30.5 m)
Longest span100 ft (30.5 m)
Deck width50 ft (15.1 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,599 (2021)
Projected traffic—
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Central ST over Water Blackstone River built?

It was built in 2006, making it 19 years old in 2025.

What condition is HWY Central 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 April 2023.

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

About 5,599 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is HWY Central ST over Water Blackstone River?

The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 50 ft wide.

Who owns HWY Central ST over Water Blackstone River?

It is owned by the State Highway Agency.