US Bridges

I 90 WB Ramp Off over RR Csx/Mbta

Fair

Middlesex County, Massachusetts · At Int 17 S32 · Structure no. N120704R9DOTNBI

Built
1964
61 years old, rebuilt 1995
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
19,914
2024 count
Owner
State
State Highway Agency

About this bridge

I 90 WB Ramp Off over RR Csx/Mbta is a steel stringer/multi-beam or girder carrying I 90 WB Ramp Off over RR Csx/Mbta in Middlesex County, Massachusetts. It was built in 1964 and reconstructed in 1995, so it is 61 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 19,914 vehicles a day, roughly 8% of them trucks, projected to reach 175 by 2032. The structure is 102 ft (31.1 m) long and 37 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesI 90 WB Ramp Off
CrossesRR Csx/Mbta
LocationAt Int 17 S32
RouteInterstate 90
CountyMiddlesex County
StateMassachusetts
Coordinates42.35721, -71.18308
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.3 US tons
Inventory rating54.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span91 ft (27.7 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,914 (2024)
Projected traffic175 by 2032
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 WB Ramp Off over RR Csx/Mbta built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1995.

What condition is I 90 WB Ramp Off over RR Csx/Mbta 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 2024.

How much traffic does I 90 WB Ramp Off over RR Csx/Mbta carry?

About 19,914 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is I 90 WB Ramp Off over RR Csx/Mbta?

The structure is 102 ft (31.1 m) long with a longest span of 91 ft (27.7 m) and a deck 37 ft wide.

Who owns I 90 WB Ramp Off over RR Csx/Mbta?

It is owned by the State Highway Agency.