US Bridges

I 290 EB over I 495

Fair

Middlesex County, Massachusetts · 2 Miles North of Route 20 · Structure no. M060161TXDOTNBI

Built
1968
57 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
272 ft
3 main spans
Daily traffic
30,965
2022 count
Owner
State
State Highway Agency

About this bridge

I 290 EB over I 495 is a steel stringer/multi-beam or girder carrying I 290 EB over I 495 in Middlesex County, Massachusetts. It was built in 1968, so it is 57 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 30,965 vehicles a day, roughly 6% of them trucks, projected to reach 63,172 by 2032. The structure is 272 ft (82.9 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 290 EB
CrossesI 495
Location2 Miles North of Route 20
RouteInterstate 290
Coordinates42.36273, -71.59004
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.7 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length272 ft (82.9 m)
Longest span98 ft (29.9 m)
Deck width58 ft (17.8 m)
Roadway width53 ft (16.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,965 (2022)
Projected traffic63,172 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free 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$14.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 290 EB over I 495 built?

It was built in 1968, making it 57 years old in 2025.

What condition is I 290 EB over I 495 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 October 2023.

How much traffic does I 290 EB over I 495 carry?

About 30,965 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I 290 EB over I 495?

The structure is 272 ft (82.9 m) long with a longest span of 98 ft (29.9 m) and a deck 58 ft wide.

Who owns I 290 EB over I 495?

It is owned by the State Highway Agency.