H.G.SHIRLEY MEM HY
H.G.SHIRLEY MEM HY in 00.27 Wcl Alex / 01.42 27, Arlington County, Virginia received a condition grade of B (65/100). Built in 1973, the bridge carries 177K vehicles daily on H.G.SHIRLEY MEM HY over Glebe Road (Route 120).
H.G.SHIRLEY MEM HY carries a B on the BridgeSafety Condition Score with 65/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1973 and is now 53 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. H.G.SHIRLEY MEM HY carries an average daily traffic count of 176,778 vehicles, with 10 lane(s) crossing Glebe Road (Route 120). The owning agency is State Highway Agency; 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
H.G.SHIRLEY MEM HY is a 53-year-old bridge located 00.27 Wcl Alex / 01.42 27 in Arlington County, Virginia. The bridge carries H.G.SHIRLEY MEM HY over Glebe Road (Route 120) with 10 traffic lanes, handling approximately 177K vehicles per day. Built in 1973, the structure spans 55.8 meters.
The bridge received a Condition Grade of B (65/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
H.G.SHIRLEY MEM HY has a Condition Score of 65/100 (Grade B). Its deck is rated 6/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
H.G.SHIRLEY MEM HY was built in 1973, making it 53 years old. The average bridge age in the United States is 48 years.
H.G.SHIRLEY MEM HY carries approximately 177K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 55.8 meters long and located on H.G.SHIRLEY MEM HY in 00.27 Wcl Alex / 01.42 27, Arlington County, Virginia.
No, H.G.SHIRLEY MEM HY is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
H.G.SHIRLEY MEM HY is located 00.27 Wcl Alex / 01.42 27 in Arlington County, Virginia. The bridge carries H.G.SHIRLEY MEM HY over Glebe Road (Route 120). Its coordinates are 38.846367, -77.079444. It is maintained by State Highway Agency.
H.G.SHIRLEY MEM HY carries H.G.SHIRLEY MEM HY over Glebe Road (Route 120). The bridge is 55.8 meters long and was built in 1973.
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.