US Bridges

I 93 Ramp X over I 90 & Ramps Cc & Kk

Good

Suffolk County, Massachusetts · I93/I90 Interchange · Structure no. B166589QYDOTNBI

Built
2004
21 years old
Condition
Good
inspected December 2023
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
556 ft
4 main spans
Daily traffic
2,066
2022 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp X over I 90 & Ramps Cc & Kk is a prestressed concrete continuous segmental box girder carrying I 93 Ramp X over I 90 & Ramps Cc & Kk in Suffolk County, Massachusetts. It was built in 2004, so it is 21 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,066 vehicles a day, roughly 6% of them trucks, projected to reach 1,579 by 2032. The structure is 556 ft (169.4 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI 93 Ramp X
CrossesI 90 & Ramps Cc & Kk
LocationI93/I90 Interchange
RouteInterstate 93
CountySuffolk County
StateMassachusetts
Coordinates42.34688, -71.06026
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.5 US tons
Inventory rating49.4 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans4
Design loadHS 25 or greater
Structure length556 ft (169.4 m)
Longest span147 ft (44.7 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic2,066 (2022)
Projected traffic1,579 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$10.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp X over I 90 & Ramps Cc & Kk built?

It was built in 2004, making it 21 years old in 2025.

What condition is I 93 Ramp X over I 90 & Ramps Cc & Kk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does I 93 Ramp X over I 90 & Ramps Cc & Kk carry?

About 2,066 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I 93 Ramp X over I 90 & Ramps Cc & Kk?

The structure is 556 ft (169.4 m) long with a longest span of 147 ft (44.7 m) and a deck 32 ft wide.

Who owns I 93 Ramp X over I 90 & Ramps Cc & Kk?

It is owned by the State Highway Agency.