US Bridges

I 90 Ramp D over Other Garage Ramp

Good

Suffolk County, Massachusetts · Exit 22 Toward Stuart St. · Structure no. B16301B8GDOTNBI

Built
1981
44 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
204 ft
1 main span
Daily traffic
19,396
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

I 90 Ramp D over Other Garage Ramp is a steel stringer/multi-beam or girder carrying I 90 Ramp D over Other Garage Ramp in Suffolk County, Massachusetts. It was built in 1981, so it is 44 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 19,396 vehicles a day, roughly 3% of them trucks. The structure is 204 ft (62.2 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesI 90 Ramp D
CrossesOther Garage Ramp
LocationExit 22 Toward Stuart St.
RouteInterstate 90
CountySuffolk County
StateMassachusetts
Coordinates42.34723, -71.07876
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 inspectionApril 2024
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 alignment6: Equal to present minimum criteria
Operating rating82.9 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span199 ft (60.7 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic19,396 (2024)
Projected traffic—
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed—
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 Ramp D over Other Garage Ramp built?

It was built in 1981, making it 44 years old in 2025.

What condition is I 90 Ramp D over Other Garage Ramp 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 April 2024.

How much traffic does I 90 Ramp D over Other Garage Ramp carry?

About 19,396 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is I 90 Ramp D over Other Garage Ramp?

The structure is 204 ft (62.2 m) long with a longest span of 199 ft (60.7 m) and a deck 34 ft wide.

Who owns I 90 Ramp D over Other Garage Ramp?

It is owned by the State Toll Authority.