US Bridges

HWY Depot ST over Water Blackstone River

Fair

Worcester County, Massachusetts · Just W of RTE 122 · Structure no. G080101BVMUNNBI

Built
1925
100 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
68 ft
1 main span
Daily traffic
5,950
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Depot ST over Water Blackstone River is a concrete arch - deck carrying HWY Depot ST over Water Blackstone River in Worcester County, Massachusetts. It was built in 1925, so it is 100 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.

It carries about 5,950 vehicles a day, roughly 5% of them trucks, projected to reach 4,106 by 2031. The structure is 68 ft (20.7 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesHWY Depot ST
CrossesWater Blackstone River
LocationJust W of RTE 122
RouteCity Street 0
CountyWorcester County
StateMassachusetts
Coordinates42.17375, -71.68057
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92.6 US tons
Inventory rating55.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,950 (2024)
Projected traffic4,106 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Depot ST over Water Blackstone River built?

It was built in 1925, making it 100 years old in 2025.

What condition is HWY Depot ST over Water Blackstone 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 September 2024.

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

About 5,950 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is HWY Depot ST over Water Blackstone River?

The structure is 68 ft (20.7 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns HWY Depot ST over Water Blackstone River?

It is owned by the Town or Township Highway Agency.