US Bridges

I 190 NB over Water Stillwater River

Fair

Worcester County, Massachusetts · I-190 Mm 10.2 · Structure no. S250251WDDOTNBI

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
334 ft
3 main spans
Daily traffic
17,773
2023 count
Owner
State
State Highway Agency

About this bridge

I 190 NB over Water Stillwater River is a steel continuous stringer/multi-beam or girder carrying I 190 NB over Water Stillwater River in Worcester County, Massachusetts. It was built in 1979, so it is 46 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 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 17,773 vehicles a day, roughly 6% of them trucks, projected to reach 18,952 by 2031. The structure is 334 ft (101.8 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 190 NB
CrossesWater Stillwater River
LocationI-190 Mm 10.2
RouteInterstate 190
CountyWorcester County
StateMassachusetts
Coordinates42.41648, -71.79278
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.2 US tons
Inventory rating53.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length334 ft (101.8 m)
Longest span140 ft (42.7 m)
Deck width45 ft (13.7 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,773 (2023)
Projected traffic18,952 by 2031
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$8.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 190 NB over Water Stillwater River built?

It was built in 1979, making it 46 years old in 2025.

What condition is I 190 NB over Water Stillwater 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 2024.

How much traffic does I 190 NB over Water Stillwater River carry?

About 17,773 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I 190 NB over Water Stillwater River?

The structure is 334 ft (101.8 m) long with a longest span of 140 ft (42.7 m) and a deck 45 ft wide.

Who owns I 190 NB over Water Stillwater River?

It is owned by the State Highway Agency.