IS 495
IS 495 in 0.97 Mile East Of Md 185, Montgomery County, Maryland received a condition grade of C (53/100). Built in 1964, the bridge carries 243K vehicles daily on IS 495 over Stoney Brook DR Rock CR.
Component Ratings
The riding surface — evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
IS 495 is a 62-year-old bridge located 0.97 Mile East Of Md 185 in Montgomery County, Maryland. The bridge carries IS 495 over Stoney Brook DR Rock CR with 8 traffic lanes, handling approximately 243K vehicles per day. Built in 1964 and reconstructed in 1990, the structure spans 110.6 meters.
The bridge received a Condition Grade of C (53/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IS 495 has a Condition Score of 53/100 (Grade C). Its deck is rated 5/9, superstructure 5/9, and substructure 6/9 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 243K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 110.6 meters long and located on IS 495 in 0.97 Mile East Of Md 185, 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 0.97 Mile East Of Md 185 in Montgomery County, Maryland. The bridge carries IS 495 over Stoney Brook DR Rock CR. Its coordinates are 39.011144, -77.063861. It is maintained by State Highway Agency.
IS 495 carries IS 495 over Stoney Brook DR Rock CR. The bridge is 110.6 meters long and was built in 1964, with reconstruction in 1990.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.