US Bridges

I 93 Ramp Xx over Comb I90&I93RMP Cc&amtk

Good

Suffolk County, Massachusetts · I93 / I90 Interchange · Structure no. B166599Q5DOTNBI

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
270 ft
2 main spans
Daily traffic
480
2023 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp Xx over Comb I90&I93RMP Cc&amtk is a prestressed concrete continuous segmental box girder carrying I 93 Ramp Xx over Comb I90&I93RMP Cc&amtk in Suffolk County, Massachusetts. It was built in 2005, so it is 20 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 480 vehicles a day, roughly 5% of them trucks. The structure is 270 ft (82.3 m) long and 26 ft wide.

CarriesI 93 Ramp Xx
CrossesComb I90&I93RMP Cc&amtk
LocationI93 / I90 Interchange
RouteInterstate 93
Coordinates42.34556, -71.06028
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.6 US tons
Inventory rating62.3 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length270 ft (82.3 m)
Longest span158 ft (48.2 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic480 (2023)
Projected traffic—
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp Xx over Comb I90&I93RMP Cc&amtk built?

It was built in 2005, making it 20 years old in 2025.

What condition is I 93 Ramp Xx over Comb I90&I93RMP Cc&amtk 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 May 2023.

How much traffic does I 93 Ramp Xx over Comb I90&I93RMP Cc&amtk carry?

About 480 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is I 93 Ramp Xx over Comb I90&I93RMP Cc&amtk?

The structure is 270 ft (82.3 m) long with a longest span of 158 ft (48.2 m) and a deck 26 ft wide.

Who owns I 93 Ramp Xx over Comb I90&I93RMP Cc&amtk?

It is owned by the State Highway Agency.