US Bridges

ST146 A/Quaker HWY over Water Bacon Brook

Fair

Worcester County, Massachusetts · 1 Mile West of St. 122 · Structure no. U020361L8DOTNBI

Built
1931
94 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
8,300
2023 count
Owner
State
State Highway Agency

About this bridge

ST146 A/Quaker HWY over Water Bacon Brook is a concrete tee beam carrying ST146 A/Quaker HWY over Water Bacon Brook in Worcester County, Massachusetts. It was built in 1931, so it is 94 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 8,300 vehicles a day, roughly 13% of them trucks, projected to reach 10,897 by 2032. The structure is 26 ft (7.9 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST146 A/Quaker HWY
CrossesWater Bacon Brook
Location1 Mile West of St. 122
RouteState Highway 146A
CountyWorcester County
StateMassachusetts
Coordinates42.02873, -71.60732
Functional classUrban Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.1 US tons
Inventory rating44.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2023)
Projected traffic10,897 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST146 A/Quaker HWY over Water Bacon Brook built?

It was built in 1931, making it 94 years old in 2025.

What condition is ST146 A/Quaker HWY over Water Bacon 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 January 2025.

How much traffic does ST146 A/Quaker HWY over Water Bacon Brook carry?

About 8,300 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is ST146 A/Quaker HWY over Water Bacon Brook?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 44 ft wide.

Who owns ST146 A/Quaker HWY over Water Bacon Brook?

It is owned by the State Highway Agency.