US Bridges

HWY Depot ST over Water Blackstone Canal

Good

Worcester County, Massachusetts · .15 M W of RTE 122 · Structure no. G080221BWMUNNBI

Built
1956
69 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
3,178
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Depot ST over Water Blackstone Canal is a prestressed concrete slab carrying HWY Depot ST over Water Blackstone Canal in Worcester County, Massachusetts. It was built in 1956, so it is 69 years old, older 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 3,178 vehicles a day, roughly 10% of them trucks, projected to reach 4,580 by 2032. The structure is 23 ft (6.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY Depot ST
CrossesWater Blackstone Canal
Location.15 M W of RTE 122
RouteCity Street 0
Coordinates42.17275, -71.68206
Functional classUrban Collector

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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating79.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length23 ft (6.9 m)
Longest span21 ft (6.4 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,178 (2024)
Projected traffic4,580 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$898,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Depot ST over Water Blackstone Canal built?

It was built in 1956, making it 69 years old in 2025.

What condition is HWY Depot ST over Water Blackstone Canal 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 January 2025.

How much traffic does HWY Depot ST over Water Blackstone Canal carry?

About 3,178 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is HWY Depot ST over Water Blackstone Canal?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.4 m) and a deck 32 ft wide.

Who owns HWY Depot ST over Water Blackstone Canal?

It is owned by the Town or Township Highway Agency.