US Bridges

ST 9 /ST12/PARK over Water Beaver Brook

Fair

Worcester County, Massachusetts · 40 E of Bev Brk Pkwy · Structure no. W440721L3DOTNBI

Built
1910
115 years old
Condition
Fair
inspected July 2024
Type
Arch - Deck
Concrete
Length
37 ft
1 main span
Daily traffic
32,720
2024 count
Owner
State
State Highway Agency

About this bridge

ST 9 /ST12/PARK over Water Beaver Brook is a concrete arch - deck carrying ST 9 /ST12/PARK over Water Beaver Brook in Worcester County, Massachusetts. It was built in 1910, so it is 115 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 32,720 vehicles a day, roughly 3% of them trucks, projected to reach 57,487 by 2031. The structure is 37 ft (11.3 m) long and 123 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesST 9 /ST12/PARK
CrossesWater Beaver Brook
Location40 E of Bev Brk Pkwy
RouteState Highway 12
CountyWorcester County
StateMassachusetts
Coordinates42.25037, -71.83083
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width123 ft (37.5 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,720 (2024)
Projected traffic57,487 by 2031
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 9 /ST12/PARK over Water Beaver Brook built?

It was built in 1910, making it 115 years old in 2025.

What condition is ST 9 /ST12/PARK over Water Beaver 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 2024.

How much traffic does ST 9 /ST12/PARK over Water Beaver Brook carry?

About 32,720 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is ST 9 /ST12/PARK over Water Beaver Brook?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m) and a deck 123 ft wide.

Who owns ST 9 /ST12/PARK over Water Beaver Brook?

It is owned by the State Highway Agency.