US Bridges

I 93 Ramp Mw over Comb I90&RMP Ll Kk&amtk

Fair

Suffolk County, Massachusetts · .5 M N of I90 · Structure no. B166719PWDOTNBI

Built
2002
23 years old
Condition
Fair
inspected August 2023
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
549 ft
4 main spans
Daily traffic
2,521
2018 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp Mw over Comb I90&RMP Ll Kk&amtk is a prestressed concrete continuous segmental box girder carrying I 93 Ramp Mw over Comb I90&RMP Ll Kk&amtk in Suffolk County, Massachusetts. It was built in 2002, so it is 23 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 2,521 vehicles a day, roughly 22% of them trucks. The structure is 549 ft (167.2 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI 93 Ramp Mw
CrossesComb I90&RMP Ll Kk&amtk
Location.5 M N of I90
RouteInterstate 93
CountySuffolk County
StateMassachusetts
Coordinates42.34606, -71.05978
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating52.9 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans4
Design loadHS 25 or greater
Structure length549 ft (167.2 m)
Longest span192 ft (58.6 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,521 (2018)
Projected traffic—
Trucks22%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 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$4.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp Mw over Comb I90&RMP Ll Kk&amtk built?

It was built in 2002, making it 23 years old in 2025.

What condition is I 93 Ramp Mw over Comb I90&RMP Ll Kk&amtk 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 August 2023.

How much traffic does I 93 Ramp Mw over Comb I90&RMP Ll Kk&amtk carry?

About 2,521 vehicles per day (2018 count), of which roughly 22% are trucks.

How long is I 93 Ramp Mw over Comb I90&RMP Ll Kk&amtk?

The structure is 549 ft (167.2 m) long with a longest span of 192 ft (58.6 m) and a deck 25 ft wide.

Who owns I 93 Ramp Mw over Comb I90&RMP Ll Kk&amtk?

It is owned by the State Highway Agency.