US Bridges

I 90 Ramp On&off over I 495

Fair

Middlesex County, Massachusetts · 1.5 Mi. S. of Rte. 9 · Structure no. H2301220QDOTNBI

Built
1968
57 years old, rebuilt 2013
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
248 ft
2 main spans
Daily traffic
30,736
2022 count
Owner
State
State Highway Agency

About this bridge

I 90 Ramp On&off over I 495 is a steel stringer/multi-beam or girder carrying I 90 Ramp On&off over I 495 in Middlesex County, Massachusetts. It was built in 1968 and reconstructed in 2013, so it is 57 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 30,736 vehicles a day, roughly 6% of them trucks, projected to reach 55,276 by 2031. The structure is 248 ft (75.6 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 90 Ramp On&off
CrossesI 495
Location1.5 Mi. S. of Rte. 9
RouteInterstate 90
CountyMiddlesex County
StateMassachusetts
Coordinates42.26282, -71.56321
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length248 ft (75.6 m)
Longest span91 ft (27.7 m)
Deck width60 ft (18.2 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,736 (2022)
Projected traffic55,276 by 2031
Trucks6%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 Ramp On&off over I 495 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2013.

What condition is I 90 Ramp On&off over I 495 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 January 2024.

How much traffic does I 90 Ramp On&off over I 495 carry?

About 30,736 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I 90 Ramp On&off over I 495?

The structure is 248 ft (75.6 m) long with a longest span of 91 ft (27.7 m) and a deck 60 ft wide.

Who owns I 90 Ramp On&off over I 495?

It is owned by the State Highway Agency.