SHIRLEY MEM.HIWAY
SHIRLEY MEM.HIWAY in 0.38fr110/0.31to14st.BR., Arlington County, Virginia received a condition grade of D (28/100). Built in 1950, the bridge carries 127K vehicles daily on SHIRLEY MEM.HIWAY over Boundary Channel Drive. It is classified as structurally deficient.
SHIRLEY MEM.HIWAY carries a D on the BridgeSafety Condition Score with 28/100. One or more primary components is rated in fair-to-poor condition; the bridge typically appears in state transportation plans for rehabilitation or replacement within the next funding cycle.
The bridge was built in 1950 and is now 76 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. SHIRLEY MEM.HIWAY carries an average daily traffic count of 126,751 vehicles, with 13 lane(s) crossing Boundary Channel Drive. 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
SHIRLEY MEM.HIWAY is a 76-year-old bridge located 0.38fr110/0.31to14st.BR. in Arlington County, Virginia. The bridge carries SHIRLEY MEM.HIWAY over Boundary Channel Drive with 13 traffic lanes, handling approximately 127K vehicles per day. Built in 1950, the structure spans 22.6 meters.
The bridge received a Condition Grade of D (28/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 5/9 (fair), and substructure 6/9 (fair). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below, this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
SHIRLEY MEM.HIWAY has a Condition Score of 28/100 (Grade D). Its deck is rated 0/9, superstructure 5/9, and substructure 6/9 on the NBI scale. The bridge is classified as structurally deficient.
SHIRLEY MEM.HIWAY was built in 1950, making it 76 years old. The average bridge age in the United States is 48 years.
SHIRLEY MEM.HIWAY carries approximately 127K vehicles per day (average daily traffic). The bridge has 13 traffic lanes. It is 22.6 meters long and located on SHIRLEY MEM.HIWAY in 0.38fr110/0.31to14st.BR., Arlington County, Virginia.
Yes, SHIRLEY MEM.HIWAY is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
SHIRLEY MEM.HIWAY is located 0.38fr110/0.31to14st.BR. in Arlington County, Virginia. The bridge carries SHIRLEY MEM.HIWAY over Boundary Channel Drive. Its coordinates are 38.869908, -77.046333. It is maintained by State Highway Agency.
SHIRLEY MEM.HIWAY carries SHIRLEY MEM.HIWAY over Boundary Channel Drive. The bridge is 22.6 meters long and was built in 1950.
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.