US Bridges

ST 2 over Water Monoosnoc Brook

Fair

Worcester County, Massachusetts · .5 MI W of South ST Exit · Structure no. F040481P5DOTNBI

Built
1937
88 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
54,761
2017 count
Owner
State
State Highway Agency

About this bridge

ST 2 over Water Monoosnoc Brook is a concrete tee beam carrying ST 2 over Water Monoosnoc Brook in Worcester County, Massachusetts. It was built in 1937, so it is 88 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 54,761 vehicles a day, roughly 15% of them trucks, projected to reach 72,806 by 2031. The structure is 38 ft (11.6 m) long and 94 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesST 2
CrossesWater Monoosnoc Brook
Location.5 MI W of South ST Exit
RouteState Highway 2
Coordinates42.55171, -71.79171
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.3 US tons
Inventory rating32.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width94 ft (28.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,761 (2017)
Projected traffic72,806 by 2031
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$3.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 2 over Water Monoosnoc Brook built?

It was built in 1937, making it 88 years old in 2025.

What condition is ST 2 over Water Monoosnoc 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 April 2024.

How much traffic does ST 2 over Water Monoosnoc Brook carry?

About 54,761 vehicles per day (2017 count), of which roughly 15% are trucks.

How long is ST 2 over Water Monoosnoc Brook?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 94 ft wide.

Who owns ST 2 over Water Monoosnoc Brook?

It is owned by the State Highway Agency.