US Bridges

I 93 Ramp X over Other Relief

Fair

Suffolk County, Massachusetts · I93/I90 Interchange · Structure no. B166589B0DOTNBI

Built
2004
21 years old
Condition
Fair
inspected January 2022
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
512 ft
4 main spans
Daily traffic
1,221
2020 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp X over Other Relief is a prestressed concrete continuous segmental box girder carrying I 93 Ramp X over Other Relief 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 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 1,221 vehicles a day, roughly 6% of them trucks, projected to reach 1,579 by 2031. The structure is 512 ft (156.2 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 93 Ramp X
CrossesOther Relief
LocationI93/I90 Interchange
CountySuffolk County
StateMassachusetts
Coordinates42.34545, -71.06077
Functional classUrban Principal Arterial - Interstate

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 inspectionJanuary 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating52.2 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans4
Design loadHS 20
Structure length512 ft (156.2 m)
Longest span152 ft (46.3 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,221 (2020)
Projected traffic1,579 by 2031
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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$6.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp X over Other Relief built?

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

What condition is I 93 Ramp X over Other Relief 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 January 2022.

How much traffic does I 93 Ramp X over Other Relief carry?

About 1,221 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is I 93 Ramp X over Other Relief?

The structure is 512 ft (156.2 m) long with a longest span of 152 ft (46.3 m) and a deck 23 ft wide.

Who owns I 93 Ramp X over Other Relief?

It is owned by the State Highway Agency.