US Bridges

ST 31 Wachusett ST over Water Quinapoxet River

Good

Worcester County, Massachusetts · .3 MI S of Manning ST · Structure no. H18008B20DOTNBI

Built
2016
9 years old
Condition
Good
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
7,600
2022 count
Owner
State
State Highway Agency

About this bridge

ST 31 Wachusett ST over Water Quinapoxet River is a prestressed concrete tee beam carrying ST 31 Wachusett ST over Water Quinapoxet River in Worcester County, Massachusetts. It was built in 2016, so it is 9 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,600 vehicles a day, roughly 3% of them trucks. The structure is 62 ft (19 m) long and 44 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesST 31 Wachusett ST
CrossesWater Quinapoxet River
Location.3 MI S of Manning ST
RouteState Highway 31
Coordinates42.37333, -71.84988
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating57.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length62 ft (19 m)
Longest span58 ft (17.8 m)
Deck width44 ft (13.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2022)
Projected traffic—
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 31 Wachusett ST over Water Quinapoxet River built?

It was built in 2016, making it 9 years old in 2025.

What condition is ST 31 Wachusett ST over Water Quinapoxet River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does ST 31 Wachusett ST over Water Quinapoxet River carry?

About 7,600 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is ST 31 Wachusett ST over Water Quinapoxet River?

The structure is 62 ft (19 m) long with a longest span of 58 ft (17.8 m) and a deck 44 ft wide.

Who owns ST 31 Wachusett ST over Water Quinapoxet River?

It is owned by the State Highway Agency.