US Bridges

I 93 Ramp X over HWY Broadway

Good

Suffolk County, Massachusetts · I93/I90 Interchange · Structure no. B166589RMDOTNBI

Built
2004
21 years old
Condition
Good
inspected January 2022
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
263 ft
2 main spans
Daily traffic
2,546
2020 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp X over HWY Broadway is a prestressed concrete continuous segmental box girder carrying I 93 Ramp X over HWY Broadway 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 2,546 vehicles a day, roughly 5% of them trucks, projected to reach 1,579 by 2031. The structure is 263 ft (80.3 m) long and 29 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 93 Ramp X
CrossesHWY Broadway
LocationI93/I90 Interchange
RouteInterstate 93
CountySuffolk County
StateMassachusetts
Coordinates42.34381, -71.06158
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 inspectionJanuary 2022
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 rating92.8 US tons
Inventory rating45.2 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans2
Design loadHS 25 or greater
Structure length263 ft (80.3 m)
Longest span149 ft (45.4 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,546 (2020)
Projected traffic1,579 by 2031
Trucks5%
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$5.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp X over HWY Broadway built?

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

What condition is I 93 Ramp X over HWY Broadway 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 January 2022.

How much traffic does I 93 Ramp X over HWY Broadway carry?

About 2,546 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is I 93 Ramp X over HWY Broadway?

The structure is 263 ft (80.3 m) long with a longest span of 149 ft (45.4 m) and a deck 29 ft wide.

Who owns I 93 Ramp X over HWY Broadway?

It is owned by the State Highway Agency.