US Bridges

I 90 Ramps a & B over Other Mwra Aqueduct

Fair

Middlesex County, Massachusetts · Mta No. L-52 & S-8 · Structure no. W290519YYDOTNBI

Built
1957
68 years old
Condition
Fair
inspected February 2023
Type
Frame
Concrete
Length
72 ft
1 main span
Daily traffic
109,700
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 Ramps a & B over Other Mwra Aqueduct is a concrete frame carrying I 90 Ramps a & B over Other Mwra Aqueduct in Middlesex County, Massachusetts. It was built in 1957, so it is 68 years old, older 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 109,700 vehicles a day, roughly 6% of them trucks, projected to reach 74,306 by 2032. The structure is 72 ft (22 m) long and 86 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI 90 Ramps a & B
CrossesOther Mwra Aqueduct
LocationMta No. L-52 & S-8
RouteInterstate 90
CountyMiddlesex County
StateMassachusetts
Coordinates42.34139, -71.26365
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length72 ft (22 m)
Longest span20 ft (6.1 m)
Deck width86 ft (26.2 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109,700 (2023)
Projected traffic74,306 by 2032
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed3.1 mi (5 km)
TollOn a toll road
National Highway SystemYes

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$9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 Ramps a & B over Other Mwra Aqueduct built?

It was built in 1957, making it 68 years old in 2025.

What condition is I 90 Ramps a & B over Other Mwra Aqueduct 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 February 2023.

How much traffic does I 90 Ramps a & B over Other Mwra Aqueduct carry?

About 109,700 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I 90 Ramps a & B over Other Mwra Aqueduct?

The structure is 72 ft (22 m) long with a longest span of 20 ft (6.1 m) and a deck 86 ft wide.

Who owns I 90 Ramps a & B over Other Mwra Aqueduct?

It is owned by the State Highway Agency.