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Arlington Ridge Rd over Four Mile Run

Arlington County, Virginia · rated Poor in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Arlington Ridge Rd over Four Mile Run in Arlington County, Virginia, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1956 and reconstructed in 1981, making it 69 years old at the 2025 inventory.
It carries about 12,022 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 6 of the 183 inventoried bridges in Arlington County rated poor (3.3%); 6 (3.3%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 245 ft
Location	005fr120 225to620
NBI structure number	000000000000105
Condition class	Poor

Source: FHWA National Bridge Inventory, 2025 data as reported by the Virginia department of transportation.

Bridge	Built	Vehicles/day	Condition
I-395 SB over Potomac River & Ohio Dr.	1960	178,242	Fair
H.g.shirley Mem Hy over Glebe Road (route 120)	1973	176,778	Fair
Shirley Mem.hwy. over I-395 (ramp G)	1973	176,778	Fair
Shirley Hwy Ar Nvy over Long Branch	1973	176,778	Fair
Shirley Mem.hiway over Boundary Channel Drive	1950	126,751	Fair
395 Express Lanes over Eads St. & Express Ramp	1976	126,751	Fair