US Bridges

I 190 Ramp a over ST 12 NB

Fair

Worcester County, Massachusetts · .5 Mi. N. of I-290 · Structure no. W441251XHDOTNBI

Built
1977
48 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
2 main spans
Daily traffic
14,511
2024 count
Owner
State
State Highway Agency

About this bridge

I 190 Ramp a over ST 12 NB is a steel continuous stringer/multi-beam or girder carrying I 190 Ramp a over ST 12 NB 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 14,511 vehicles a day, roughly 4% of them trucks, projected to reach 43,115 by 2031. The structure is 200 ft (61 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 190 Ramp a
CrossesST 12 NB
Location.5 Mi. N. of I-290
RouteInterstate 190
CountyWorcester County
StateMassachusetts
Coordinates42.29534, -71.80281
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionAugust 2024
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 geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length200 ft (61 m)
Longest span93 ft (28.3 m)
Deck width27 ft (8.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,511 (2024)
Projected traffic43,115 by 2031
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$4.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 190 Ramp a over ST 12 NB built?

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

What condition is I 190 Ramp a over ST 12 NB 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 2024.

How much traffic does I 190 Ramp a over ST 12 NB carry?

About 14,511 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is I 190 Ramp a over ST 12 NB?

The structure is 200 ft (61 m) long with a longest span of 93 ft (28.3 m) and a deck 27 ft wide.

Who owns I 190 Ramp a over ST 12 NB?

It is owned by the State Highway Agency.