US Bridges

ST 9 Turnpike RD over ST135 Milk ST

Fair

Worcester County, Massachusetts · .8MI. W. of Lyman St. · Structure no. W240141M2DOTNBI

Built
1930
95 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
37,691
2023 count
Owner
State
State Highway Agency

About this bridge

ST 9 Turnpike RD over ST135 Milk ST is a concrete tee beam carrying ST 9 Turnpike RD over ST135 Milk ST in Worcester County, Massachusetts. It was built in 1930, so it is 95 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 37,691 vehicles a day, roughly 5% of them trucks, projected to reach 87,177 by 2032. The structure is 38 ft (11.7 m) long and 97 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST 9 Turnpike RD
CrossesST135 Milk ST
Location.8MI. W. of Lyman St.
RouteState Highway 9
Coordinates42.28374, -71.63269
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length38 ft (11.7 m)
Longest span35 ft (10.8 m)
Deck width97 ft (29.6 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,691 (2023)
Projected traffic87,177 by 2032
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 9 Turnpike RD over ST135 Milk ST built?

It was built in 1930, making it 95 years old in 2025.

What condition is ST 9 Turnpike RD over ST135 Milk ST 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 June 2023.

How much traffic does ST 9 Turnpike RD over ST135 Milk ST carry?

About 37,691 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is ST 9 Turnpike RD over ST135 Milk ST?

The structure is 38 ft (11.7 m) long with a longest span of 35 ft (10.8 m) and a deck 97 ft wide.

Who owns ST 9 Turnpike RD over ST135 Milk ST?

It is owned by the State Highway Agency.