US Bridges

Is 495 Ramp E over Kensington Pkwy

Fair

Montgomery County, Maryland · 0.19 MI E of Md 185 · Structure no. 100000150125010

Built
1964
61 years old, rebuilt 1971
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
134 ft
3 main spans
Daily traffic
3,685
2007 count
Owner
State
State Highway Agency

About this bridge

Is 495 Ramp E over Kensington Pkwy is a steel stringer/multi-beam or girder carrying Is 495 Ramp E over Kensington Pkwy in Montgomery County, Maryland. It was built in 1964 and reconstructed in 1971, so it is 61 years old, older than the Maryland average of 52.6 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 3,685 vehicles a day, roughly 8% of them trucks, projected to reach 3,980 by 2027. The structure is 134 ft (40.8 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIs 495 Ramp E
CrossesKensington Pkwy
Location0.19 MI E of Md 185
RouteInterstate 495
CountyMontgomery County
StateMaryland
Coordinates39.00638, -77.07411
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating88 US tons
Inventory rating52.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span64 ft (19.5 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,685 (2007)
Projected traffic3,980 by 2027
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$754,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 495 Ramp E over Kensington Pkwy built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1971.

What condition is Is 495 Ramp E over Kensington Pkwy 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 April 2023.

How much traffic does Is 495 Ramp E over Kensington Pkwy carry?

About 3,685 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is Is 495 Ramp E over Kensington Pkwy?

The structure is 134 ft (40.8 m) long with a longest span of 64 ft (19.5 m) and a deck 43 ft wide.

Who owns Is 495 Ramp E over Kensington Pkwy?

It is owned by the State Highway Agency.