US Bridges

I 495 Ramp K over HWY Commonwealth DR

Fair

Essex County, Massachusetts · 350 E of Marston ST · Structure no. L04054AJNDOTNBI

Built
2002
23 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
3,248
2022 count
Owner
State
State Highway Agency

About this bridge

I 495 Ramp K over HWY Commonwealth DR is a prestressed concrete continuous box beam or girders - single or spread carrying I 495 Ramp K over HWY Commonwealth DR in Essex County, Massachusetts. It was built in 2002, so it is 23 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 3,248 vehicles a day, roughly 6% of them trucks, projected to reach 11,102 by 2032. The structure is 104 ft (31.8 m) long and 47 ft wide.

Location

Open in Google Maps
CarriesI 495 Ramp K
CrossesHWY Commonwealth DR
Location350 E of Marston ST
RouteInterstate 495
CountyEssex County
StateMassachusetts
Coordinates42.71394, -71.13761
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating48.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.8 m)
Longest span46 ft (14 m)
Deck width47 ft (14.2 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,248 (2022)
Projected traffic11,102 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$890,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 Ramp K over HWY Commonwealth DR built?

It was built in 2002, making it 23 years old in 2025.

What condition is I 495 Ramp K over HWY Commonwealth DR 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 June 2023.

How much traffic does I 495 Ramp K over HWY Commonwealth DR carry?

About 3,248 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I 495 Ramp K over HWY Commonwealth DR?

The structure is 104 ft (31.8 m) long with a longest span of 46 ft (14 m) and a deck 47 ft wide.

Who owns I 495 Ramp K over HWY Commonwealth DR?

It is owned by the State Highway Agency.