US Bridges

I 93 Ramp Mw over Comb Hov EB & MBTA Wye

Good

Suffolk County, Massachusetts · 0.5 MI S. of I-90 EB · Structure no. B166718TLDOTNBI

Built
2001
24 years old
Condition
Good
inspected September 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
488 ft
4 main spans
Daily traffic
2,594
2023 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp Mw over Comb Hov EB & MBTA Wye is a prestressed concrete continuous segmental box girder carrying I 93 Ramp Mw over Comb Hov EB & MBTA Wye in Suffolk County, Massachusetts. It was built in 2001, so it is 24 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 2,594 vehicles a day, roughly 4% of them trucks, projected to reach 8,546 by 2032. The structure is 488 ft (148.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 93 Ramp Mw
CrossesComb Hov EB & MBTA Wye
Location0.5 MI S. of I-90 EB
RouteInterstate 93
Coordinates42.34477, -71.06064
Functional classUrban Collector

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating53.8 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans4
Design loadHS 25 or greater
Structure length488 ft (148.7 m)
Longest span143 ft (43.7 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic2,594 (2023)
Projected traffic8,546 by 2032
Trucks4%
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$4.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp Mw over Comb Hov EB & MBTA Wye built?

It was built in 2001, making it 24 years old in 2025.

What condition is I 93 Ramp Mw over Comb Hov EB & MBTA Wye 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 September 2024.

How much traffic does I 93 Ramp Mw over Comb Hov EB & MBTA Wye carry?

About 2,594 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is I 93 Ramp Mw over Comb Hov EB & MBTA Wye?

The structure is 488 ft (148.7 m) long with a longest span of 143 ft (43.7 m) and a deck 26 ft wide.

Who owns I 93 Ramp Mw over Comb Hov EB & MBTA Wye?

It is owned by the State Highway Agency.