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Washington Blv 237 over I-66 Custis Parkway

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

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

Washington Blv 237 over I-66 Custis Parkway in Arlington County, Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1982, making it 43 years old at the 2025 inventory.
It carries about 8,031 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 152 of the 183 inventoried bridges in Arlington County rated fair (83.1%); 6 (3.3%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 183 ft
Location	2.42fr29/0.09to120
NBI structure number	000000000000239
Condition class	Fair

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