H.G. SHIRLEY MEM H
H.G. SHIRLEY MEM H in 00.63 236 / 01.87 7, Fairfax County, Virginia received a condition grade of D (32/100). Built in 1950, the bridge carries 170K vehicles daily on H.G. SHIRLEY MEM H over Holmes Run. It is classified as structurally deficient.
H.G. SHIRLEY MEM H carries a D on the BridgeSafety Condition Score with 32/100. 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. H.G. SHIRLEY MEM H carries an average daily traffic count of 170,075 vehicles, with 9 lane(s) crossing Holmes Run. 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 H is a 76-year-old bridge located 00.63 236 / 01.87 7 in Fairfax County, Virginia. The bridge carries H.G. SHIRLEY MEM H over Holmes Run with 9 traffic lanes, handling approximately 170K vehicles per day. Built in 1950, the structure spans 18.1 meters.
The bridge received a Condition Grade of D (32/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 6/9 (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
H.G. SHIRLEY MEM H has a Condition Score of 32/100 (Grade D). Its deck is rated 0/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is classified as structurally deficient.
H.G. SHIRLEY MEM H was built in 1950, making it 76 years old. The average bridge age in the United States is 48 years.
H.G. SHIRLEY MEM H carries approximately 170K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 18.1 meters long and located on H.G. SHIRLEY MEM H in 00.63 236 / 01.87 7, Fairfax County, Virginia.
Yes, H.G. SHIRLEY MEM H 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.
H.G. SHIRLEY MEM H is located 00.63 236 / 01.87 7 in Fairfax County, Virginia. The bridge carries H.G. SHIRLEY MEM H over Holmes Run. Its coordinates are 38.820817, -77.128197. It is maintained by State Highway Agency.
H.G. SHIRLEY MEM H carries H.G. SHIRLEY MEM H over Holmes Run. The bridge is 18.1 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.