US Bridges

ST 12 Spring ST over Water Millers River

Fair

Worcester County, Massachusetts · 1.5 MI E of ST 140 · Structure no. W39020196DOTNBI

Built
1937
88 years old, rebuilt 1991
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
6,724
2019 count
Owner
State
State Highway Agency

About this bridge

ST 12 Spring ST over Water Millers River is a steel stringer/multi-beam or girder carrying ST 12 Spring ST over Water Millers River in Worcester County, Massachusetts. It was built in 1937 and reconstructed in 1991, 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 6 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 6,724 vehicles a day, roughly 5% of them trucks, projected to reach 9,394 by 2032. The structure is 37 ft (11.3 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesST 12 Spring ST
CrossesWater Millers River
Location1.5 MI E of ST 140
RouteState Highway 12
CountyWorcester County
StateMassachusetts
Coordinates42.65565, -71.98804
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span33 ft (10.2 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,724 (2019)
Projected traffic9,394 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.2 million (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 1937, making it 88 years old in 2025. It was reconstructed in 1991.

What condition is ST 12 Spring ST over Water Millers River 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 August 2023.

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

About 6,724 vehicles per day (2019 count), of which roughly 5% are trucks.

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

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.2 m) and a deck 35 ft wide.

Who owns ST 12 Spring ST over Water Millers River?

It is owned by the State Highway Agency.