I-495
I-495 in 1.25 Fr193va&2.14 To190md, Fairfax County, Virginia received a condition grade of C (53/100). Built in 1963, the bridge carries 215K vehicles daily on I-495 over Potomac River.
I-495 carries a C on the BridgeSafety Condition Score with 53/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1963 and is now 63 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. I-495 carries an average daily traffic count of 214,940 vehicles, with 10 lane(s) crossing Potomac River. The owning agency is Federal - Other; bridge inspection records flow into the federal NBI database annually.
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 is a 63-year-old bridge located 1.25 Fr193va&2.14 To190md in Fairfax County, Virginia. The bridge carries I-495 over Potomac River with 10 traffic lanes, handling approximately 215K vehicles per day. Built in 1963 and reconstructed in 1986, the structure spans 439.8 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 Federal - Other.
Location Map
Frequently Asked Questions
I-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.
I-495 was built in 1963 and reconstructed in 1986, making it 63 years old. The average bridge age in the United States is 48 years.
I-495 carries approximately 215K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 439.8 meters long and located on I-495 in 1.25 Fr193va&2.14 To190md, Fairfax County, Virginia.
No, I-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.
I-495 is located 1.25 Fr193va&2.14 To190md in Fairfax County, Virginia. The bridge carries I-495 over Potomac River. Its coordinates are 38.967281, -77.179689. It is maintained by Federal - Other.
I-495 carries I-495 over Potomac River. The bridge is 439.8 meters long and was built in 1963, with reconstruction in 1986.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.