US Bridges

ST 9 Turnpike RD over ST 30 E Main ST

Fair

Worcester County, Massachusetts · 1.5 Mi. W. of I-495 · Structure no. W240151M1DOTNBI

Built
1930
95 years old, rebuilt 1989
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
30,492
2021 count
Owner
State
State Highway Agency

About this bridge

ST 9 Turnpike RD over ST 30 E Main ST is a steel stringer/multi-beam or girder carrying ST 9 Turnpike RD over ST 30 E Main ST in Worcester County, Massachusetts. It was built in 1930 and reconstructed in 1989, 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 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 30,492 vehicles a day, roughly 5% of them trucks, projected to reach 90,020 by 2032. The structure is 70 ft (21.3 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST 9 Turnpike RD
CrossesST 30 E Main ST
Location1.5 Mi. W. of I-495
RouteState Highway 9
Coordinates42.28652, -71.59601
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.1 US tons
Inventory rating43.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length70 ft (21.3 m)
Longest span66 ft (20.1 m)
Deck width73 ft (22.3 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,492 (2021)
Projected traffic90,020 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$568,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 9 Turnpike RD over ST 30 E Main ST built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1989.

What condition is ST 9 Turnpike RD over ST 30 E Main 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 April 2023.

How much traffic does ST 9 Turnpike RD over ST 30 E Main ST carry?

About 30,492 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is ST 9 Turnpike RD over ST 30 E Main ST?

The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20.1 m) and a deck 73 ft wide.

Who owns ST 9 Turnpike RD over ST 30 E Main ST?

It is owned by the State Highway Agency.