US Bridges

ST122 Provdence RD over Water Blackstone River

Good

Worcester County, Massachusetts · ST 122/BLACKSTONE River · Structure no. N21002B7WDOTNBI

Built
2013
12 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
1 main span
Daily traffic
5,819
2023 count
Owner
State
State Highway Agency

About this bridge

ST122 Provdence RD over Water Blackstone River is a steel stringer/multi-beam or girder carrying ST122 Provdence RD over Water Blackstone River in Worcester County, Massachusetts. It was built in 2013, so it is 12 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 5,819 vehicles a day, roughly 6% of them trucks. The structure is 110 ft (33.5 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST122 Provdence RD
CrossesWater Blackstone River
LocationST 122/BLACKSTONE River
RouteState Highway 122
Coordinates42.15005, -71.64916
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span107 ft (32.6 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,819 (2023)
Projected traffic—
Trucks6%
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

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$2.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST122 Provdence RD over Water Blackstone River built?

It was built in 2013, making it 12 years old in 2025.

What condition is ST122 Provdence RD 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 2024.

How much traffic does ST122 Provdence RD over Water Blackstone River carry?

About 5,819 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is ST122 Provdence RD over Water Blackstone River?

The structure is 110 ft (33.5 m) long with a longest span of 107 ft (32.6 m) and a deck 41 ft wide.

Who owns ST122 Provdence RD over Water Blackstone River?

It is owned by the State Highway Agency.