I-495 I.L.
I-495 I.L. in 0.18 Mile South Of Md 450, Prince George's County, Maryland received a condition grade of C (53/100). Built in 1964, the bridge carries 226K vehicles daily on I-495 I.L. over Amtrak.
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
I-495 I.L. is a 62-year-old bridge located 0.18 Mile South Of Md 450 in Prince George's County, Maryland. The bridge carries I-495 I.L. over Amtrak with 4 traffic lanes, handling approximately 226K vehicles per day. Built in 1964 and reconstructed in 1990, the structure spans 75.6 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 6/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-495 I.L. has a Condition Score of 53/100 (Grade C). Its deck is rated 5/9, superstructure 6/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-495 I.L. was built in 1964 and reconstructed in 1990, making it 62 years old. The average bridge age in the United States is 48 years.
I-495 I.L. carries approximately 226K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 75.6 meters long and located on I-495 I.L. in 0.18 Mile South Of Md 450, Prince George's County, Maryland.
No, I-495 I.L. is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I-495 I.L. is located 0.18 Mile South Of Md 450 in Prince George's County, Maryland. The bridge carries I-495 I.L. over Amtrak. Its coordinates are 38.957081, -76.865122. It is maintained by State Highway Agency.
I-495 I.L. carries I-495 I.L. over Amtrak. The bridge is 75.6 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.