US Bridges

I 90 EB over Other Cochituate Trail

Fair

Middlesex County, Massachusetts · I-90 Mm 116.4 · Structure no. F070474P2DOTNBI

Built
1957
68 years old, rebuilt 1996
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
141 ft
3 main spans
Daily traffic
48,475
2021 count
Owner
State
State Highway Agency

About this bridge

I 90 EB over Other Cochituate Trail is a steel continuous stringer/multi-beam or girder carrying I 90 EB over Other Cochituate Trail in Middlesex County, Massachusetts. It was built in 1957 and reconstructed in 1996, 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 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 48,475 vehicles a day, roughly 8% of them trucks, projected to reach 82,124 by 2032. The structure is 141 ft (43 m) long and 73 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI 90 EB
CrossesOther Cochituate Trail
LocationI-90 Mm 116.4
RouteInterstate 90
CountyMiddlesex County
StateMassachusetts
Coordinates42.3132, -71.38789
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length141 ft (43 m)
Longest span52 ft (15.8 m)
Deck width73 ft (22.1 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,475 (2021)
Projected traffic82,124 by 2032
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 EB over Other Cochituate Trail built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1996.

What condition is I 90 EB over Other Cochituate Trail 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 May 2023.

How much traffic does I 90 EB over Other Cochituate Trail carry?

About 48,475 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I 90 EB over Other Cochituate Trail?

The structure is 141 ft (43 m) long with a longest span of 52 ft (15.8 m) and a deck 73 ft wide.

Who owns I 90 EB over Other Cochituate Trail?

It is owned by the State Highway Agency.