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I 19; E Frontage R over Wash

Santa Cruz County, Arizona · rated Fair in the 2025 National Bridge Inventory

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

I 19; E Frontage R over Wash in Santa Cruz County, Arizona, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1932 and reconstructed in 1953, making it 93 years old at the 2025 inventory.
It carries about 310 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 59 of the 137 inventoried bridges in Santa Cruz County rated fair (43.1%); 1 (0.7%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition


Structure	Continuous concrete culvert
Length	about 32 ft
Location	1.9 mi S Jct Arivaca Rd
NBI structure number	04707
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 19; Nb-sb-e & Wf over Alamo Canyon	1949	31,010	Good
I19 N & S & FRs over Wash	1951	30,755	Good
I 19 over Calabasas Canyon	1951	27,010	Good
I 19 over Dry Wash	1977	19,924	Good
I 19 over Tubac Creek Wash	1978	19,046	Good
SB 19; Fap 001 over Mariposa Canyon	1968	18,989	Fair