US Bridges

I 290 WB over HWY Southbridge ST

Fair

Worcester County, Massachusetts · .25 Mi. So. of Middle Riv · Structure no. W441051RPDOTNBI

Built
1966
59 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
1 main span
Daily traffic
44,468
2022 count
Owner
State
State Highway Agency

About this bridge

I 290 WB over HWY Southbridge ST is a steel stringer/multi-beam or girder carrying I 290 WB over HWY Southbridge ST in Worcester County, Massachusetts. It was built in 1966, so it is 59 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 44,468 vehicles a day, roughly 8% of them trucks, projected to reach 78,965 by 2032. The structure is 129 ft (39.3 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 290 WB
CrossesHWY Southbridge ST
Location.25 Mi. So. of Middle Riv
RouteInterstate 290
CountyWorcester County
StateMassachusetts
Coordinates42.23826, -71.81614
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating30.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span123 ft (37.5 m)
Deck width56 ft (17.1 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,468 (2022)
Projected traffic78,965 by 2032
Trucks8%
Lanes on structure3
Traffic directionTwo-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$6.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 290 WB over HWY Southbridge ST built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 290 WB over HWY Southbridge 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 August 2023.

How much traffic does I 290 WB over HWY Southbridge ST carry?

About 44,468 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is I 290 WB over HWY Southbridge ST?

The structure is 129 ft (39.3 m) long with a longest span of 123 ft (37.5 m) and a deck 56 ft wide.

Who owns I 290 WB over HWY Southbridge ST?

It is owned by the State Highway Agency.