US Bridges

I 90 Ramp B & D over HWY Service Road

Fair

Suffolk County, Massachusetts · Exit 22 near Top Rp Split · Structure no. B16298B85DOTNBI

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
30,517
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

I 90 Ramp B & D over HWY Service Road is a prestressed concrete box beam or girders - multiple carrying I 90 Ramp B & D over HWY Service Road 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 fair condition with a lowest component rating of 5 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 30,517 vehicles a day, roughly 3% of them trucks. The structure is 31 ft (9.5 m) long and 64 ft wide.

Location

Open in Google Maps
CarriesI 90 Ramp B & D
CrossesHWY Service Road
LocationExit 22 near Top Rp Split
RouteState Lands Road 90
CountySuffolk County
StateMassachusetts
Coordinates42.34666, -71.07856
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating96.6 US tons
Inventory rating57.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span31 ft (9.5 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic30,517 (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$3.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 Ramp B & D over HWY Service Road built?

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

What condition is I 90 Ramp B & D over HWY Service Road 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 April 2024.

How much traffic does I 90 Ramp B & D over HWY Service Road carry?

About 30,517 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is I 90 Ramp B & D over HWY Service Road?

The structure is 31 ft (9.5 m) long with a longest span of 31 ft (9.5 m) and a deck 64 ft wide.

Who owns I 90 Ramp B & D over HWY Service Road?

It is owned by the State Toll Authority.