US Bridges

I 90 Ramp G over I 90 & Ramp K

Fair

Middlesex County, Massachusetts · At Int 15 S3 · Structure no. W290554QDDOTNBI

Built
1962
63 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
229 ft
4 main spans
Daily traffic
24,569
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 Ramp G over I 90 & Ramp K is a steel stringer/multi-beam or girder carrying I 90 Ramp G over I 90 & Ramp K in Middlesex County, Massachusetts. It was built in 1962, so it is 63 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 24,569 vehicles a day, roughly 11% of them trucks, projected to reach 177,670 by 2032. The structure is 229 ft (69.8 m) long and 30 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesI 90 Ramp G
CrossesI 90 & Ramp K
LocationAt Int 15 S3
RouteInterstate 90
CountyMiddlesex County
StateMassachusetts
Coordinates42.33875, -71.26722
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span67 ft (20.4 m)
Deck width30 ft (9.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,569 (2023)
Projected traffic177,670 by 2032
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed13 mi (21 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$6.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 Ramp G over I 90 & Ramp K built?

It was built in 1962, making it 63 years old in 2025.

What condition is I 90 Ramp G over I 90 & Ramp K 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 February 2023.

How much traffic does I 90 Ramp G over I 90 & Ramp K carry?

About 24,569 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I 90 Ramp G over I 90 & Ramp K?

The structure is 229 ft (69.8 m) long with a longest span of 67 ft (20.4 m) and a deck 30 ft wide.

Who owns I 90 Ramp G over I 90 & Ramp K?

It is owned by the State Highway Agency.