US Bridges

I 90 EB over US 20 Washington ST

Fair

Worcester County, Massachusetts · .7 MI W of Mlbury Tn Line · Structure no. A170514KDDOTNBI

Built
1957
68 years old, rebuilt 1986
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
266 ft
2 main spans
Daily traffic
9,912
2022 count
Owner
State
State Highway Agency

About this bridge

I 90 EB over US 20 Washington ST is a steel continuous stringer/multi-beam or girder carrying I 90 EB over US 20 Washington ST in Worcester County, Massachusetts. It was built in 1957 and reconstructed in 1986, so it is 68 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 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 9,912 vehicles a day, roughly 12% of them trucks, projected to reach 90,085 by 2033. The structure is 266 ft (81.1 m) long and 56 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesI 90 EB
CrossesUS 20 Washington ST
Location.7 MI W of Mlbury Tn Line
RouteInterstate 90
CountyWorcester County
StateMassachusetts
Coordinates42.20403, -71.81385
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length266 ft (81.1 m)
Longest span73 ft (22.3 m)
Deck width56 ft (17.2 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,912 (2022)
Projected traffic90,085 by 2033
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a toll 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$13.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 EB over US 20 Washington ST built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1986.

What condition is I 90 EB over US 20 Washington 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 October 2023.

How much traffic does I 90 EB over US 20 Washington ST carry?

About 9,912 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I 90 EB over US 20 Washington ST?

The structure is 266 ft (81.1 m) long with a longest span of 73 ft (22.3 m) and a deck 56 ft wide.

Who owns I 90 EB over US 20 Washington ST?

It is owned by the State Highway Agency.