US Bridges

ST 12 Spring ST over Water Millers River

Good

Worcester County, Massachusetts · .5 MI S JCT ST 140 · Structure no. W39021AU1DOTNBI

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
9,107
2018 count
Owner
State
State Highway Agency

About this bridge

ST 12 Spring ST over Water Millers River is a prestressed concrete box beam or girders - single or spread carrying ST 12 Spring ST over Water Millers River in Worcester County, Massachusetts. It was built in 2001, so it is 24 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 9,107 vehicles a day, roughly 2% of them trucks, projected to reach 5,310 by 2033. The structure is 43 ft (13.2 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesST 12 Spring ST
CrossesWater Millers River
Location.5 MI S JCT ST 140
RouteState Highway 12
CountyWorcester County
StateMassachusetts
Coordinates42.66097, -72.00172
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.7 US tons
Inventory rating55 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13.2 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,107 (2018)
Projected traffic5,310 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$917,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 12 Spring ST over Water Millers River built?

It was built in 2001, making it 24 years old in 2025.

What condition is ST 12 Spring ST over Water Millers 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 February 2024.

How much traffic does ST 12 Spring ST over Water Millers River carry?

About 9,107 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is ST 12 Spring ST over Water Millers River?

The structure is 43 ft (13.2 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns ST 12 Spring ST over Water Millers River?

It is owned by the State Highway Agency.