US Bridges

I 190 SB over ST 12 SB

Fair

Worcester County, Massachusetts · At Mile 1.0 · Structure no. W441261XKDOTNBI

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
186 ft
1 main span
Daily traffic
22,557
2021 count
Owner
State
State Highway Agency

About this bridge

I 190 SB over ST 12 SB is a steel stringer/multi-beam or girder carrying I 190 SB over ST 12 SB in Worcester County, Massachusetts. It was built in 1977, so it is 48 years old, younger 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 22,557 vehicles a day, roughly 4% of them trucks, projected to reach 58,434 by 2032. The structure is 186 ft (56.7 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 190 SB
CrossesST 12 SB
LocationAt Mile 1.0
RouteInterstate 190
CountyWorcester County
StateMassachusetts
Coordinates42.29827, -71.80431
Functional classUrban Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating81 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span180 ft (54.9 m)
Deck width61 ft (18.6 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,557 (2021)
Projected traffic58,434 by 2032
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$10.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 190 SB over ST 12 SB built?

It was built in 1977, making it 48 years old in 2025.

What condition is I 190 SB over ST 12 SB 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 March 2023.

How much traffic does I 190 SB over ST 12 SB carry?

About 22,557 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is I 190 SB over ST 12 SB?

The structure is 186 ft (56.7 m) long with a longest span of 180 ft (54.9 m) and a deck 61 ft wide.

Who owns I 190 SB over ST 12 SB?

It is owned by the State Highway Agency.