US Bridges

ST122 A/Main ST over Water Asnebumskit Brook

Fair

Worcester County, Massachusetts · 500 Ft E of Causeway ST · Structure no. H180151YPDOTNBI

Built
1948
77 years old, rebuilt 1986
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
13,591
2022 count
Owner
State
State Highway Agency

About this bridge

ST122 A/Main ST over Water Asnebumskit Brook is a steel stringer/multi-beam or girder carrying ST122 A/Main ST over Water Asnebumskit Brook in Worcester County, Massachusetts. It was built in 1948 and reconstructed in 1986, so it is 77 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 13,591 vehicles a day, roughly 5% of them trucks, projected to reach 25,869 by 2032. The structure is 40 ft (12.2 m) long and 48 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesST122 A/Main ST
CrossesWater Asnebumskit Brook
Location500 Ft E of Causeway ST
RouteState Highway 122A
CountyWorcester County
StateMassachusetts
Coordinates42.36105, -71.88394
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating33.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span33 ft (10.1 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,591 (2022)
Projected traffic25,869 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST122 A/Main ST over Water Asnebumskit Brook built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1986.

What condition is ST122 A/Main ST over Water Asnebumskit Brook 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 July 2023.

How much traffic does ST122 A/Main ST over Water Asnebumskit Brook carry?

About 13,591 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST122 A/Main ST over Water Asnebumskit Brook?

The structure is 40 ft (12.2 m) long with a longest span of 33 ft (10.1 m) and a deck 48 ft wide.

Who owns ST122 A/Main ST over Water Asnebumskit Brook?

It is owned by the State Highway Agency.