IS 495
IS 495 in 1.00 Mile West Of Md 650, Montgomery County, Maryland received a condition grade of B (66/100). Built in 1967, the bridge carries 222K vehicles daily on IS 495 over Northwest Branch.
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 59-year-old bridge located 1.00 Mile West Of Md 650 in Montgomery County, Maryland. The bridge carries IS 495 over Northwest Branch with 8 traffic lanes, handling approximately 222K vehicles per day. Built in 1967 and reconstructed in 2012, the structure spans 154.2 meters.
The bridge received a Condition Grade of B (66/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 6/9 (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 66/100 (Grade B). Its deck is rated 7/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
IS 495 was built in 1967 and reconstructed in 2012, making it 59 years old. The average bridge age in the United States is 48 years.
IS 495 carries approximately 222K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 154.2 meters long and located on IS 495 in 1.00 Mile West Of Md 650, 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 1.00 Mile West Of Md 650 in Montgomery County, Maryland. The bridge carries IS 495 over Northwest Branch. Its coordinates are 39.017194, -76.994861. It is maintained by State Highway Agency.
IS 495 carries IS 495 over Northwest Branch. The bridge is 154.2 meters long and was built in 1967, with reconstruction in 2012.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.