BridgeSafety
Montgomery County, MD · Structure #100000150122010

IS 495

IS 495 in 0.65 Mile East Of Md 355, Montgomery County, Maryland received a condition grade of C (53/100). Built in 1964, the bridge carries 238K vehicles daily on IS 495 over Cedar Lane.

C
53/100
53
Condition Score
238K
Daily Traffic
1964
Year Built
32.6m
Length

Component Ratings

DeckFair
6/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureFair
5/9

Beams, girders, and trusses that support the deck

SubstructureFair
5/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
IS 495
Crosses Over
Cedar Lane
State
Maryland
County
Montgomery County
Location
0.65 Mile East Of Md 355
Year Built
1964
Reconstructed
1990
Age
62 years
Daily Traffic
238,050
Lanes
9
Length
32.6 meters
Owner
State Highway Agency
Structure Number
100000150122010

About This Bridge

IS 495 is a 62-year-old bridge located 0.65 Mile East Of Md 355 in Montgomery County, Maryland. The bridge carries IS 495 over Cedar Lane with 9 traffic lanes, handling approximately 238K vehicles per day. Built in 1964 and reconstructed in 1990, the structure spans 32.6 meters.

The bridge received a Condition Grade of C (53/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 5/9 (fair), and substructure 5/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

0.65 Mile East Of Md 355, Montgomery County, Maryland

39.011225, -77.091436

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Frequently Asked Questions

IS 495 has a Condition Score of 53/100 (Grade C). Its deck is rated 6/9, superstructure 5/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.

IS 495 was built in 1964 and reconstructed in 1990, making it 62 years old. The average bridge age in the United States is 48 years.

IS 495 carries approximately 238K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 32.6 meters long and located on IS 495 in 0.65 Mile East Of Md 355, Montgomery County, Maryland.

No, IS 495 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

IS 495 is located 0.65 Mile East Of Md 355 in Montgomery County, Maryland. The bridge carries IS 495 over Cedar Lane. Its coordinates are 39.011225, -77.091436. It is maintained by State Highway Agency.

IS 495 carries IS 495 over Cedar Lane. The bridge is 32.6 meters long and was built in 1964, with reconstruction in 1990.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.