US Bridges

I 93 Ramp X over I 90 Ramp D & Ramp Cc

Good

Suffolk County, Massachusetts · I93/I90 Interchange · Structure no. B166589QWDOTNBI

Built
2004
21 years old
Condition
Good
inspected December 2023
Type
Segmental Box Girder
Prestressed Concrete
Length
123 ft
1 main span
Daily traffic
1,939
2023 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp X over I 90 Ramp D & Ramp Cc is a prestressed concrete segmental box girder carrying I 93 Ramp X over I 90 Ramp D & Ramp Cc 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 1,939 vehicles a day, roughly 26% of them trucks, projected to reach 1,579 by 2032. The structure is 123 ft (37.5 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 Ramp D & Ramp Cc
LocationI93/I90 Interchange
CountySuffolk County
StateMassachusetts
Coordinates42.34848, -71.05963
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 rating57.1 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span123 ft (37.5 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,939 (2023)
Projected traffic1,579 by 2032
Trucks26%
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$2.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

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

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

What condition is I 93 Ramp X over I 90 Ramp D & Ramp Cc 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 Ramp D & Ramp Cc carry?

About 1,939 vehicles per day (2023 count), of which roughly 26% are trucks.

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

The structure is 123 ft (37.5 m) long with a longest span of 123 ft (37.5 m) and a deck 32 ft wide.

Who owns I 93 Ramp X over I 90 Ramp D & Ramp Cc?

It is owned by the State Highway Agency.