US Bridges

ST 12 Ashburnhm ST over Water Phillips Brook

Good

Worcester County, Massachusetts · 1.2 MI N of Fitch. C.L. · Structure no. W28017B1EDOTNBI

Built
2020
5 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
3,438
2022 count
Owner
State
State Highway Agency

About this bridge

ST 12 Ashburnhm ST over Water Phillips Brook is a prestressed concrete tee beam carrying ST 12 Ashburnhm ST over Water Phillips Brook in Worcester County, Massachusetts. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,438 vehicles a day, roughly 2% of them trucks. The structure is 82 ft (25 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesST 12 Ashburnhm ST
CrossesWater Phillips Brook
Location1.2 MI N of Fitch. C.L.
RouteState Highway 12
Coordinates42.60823, -71.87058
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (25 m)
Longest span78 ft (23.7 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,438 (2022)
Projected traffic—
Trucks2%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 12 Ashburnhm ST over Water Phillips Brook built?

It was built in 2020, making it 5 years old in 2025.

What condition is ST 12 Ashburnhm ST over Water Phillips Brook 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 November 2023.

How much traffic does ST 12 Ashburnhm ST over Water Phillips Brook carry?

About 3,438 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is ST 12 Ashburnhm ST over Water Phillips Brook?

The structure is 82 ft (25 m) long with a longest span of 78 ft (23.7 m) and a deck 37 ft wide.

Who owns ST 12 Ashburnhm ST over Water Phillips Brook?

It is owned by the State Highway Agency.