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Bridge conditions in Santa Cruz County, Arizona

137 inventoried bridges · 1 rated poor · 2025 National Bridge Inventory

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

Santa Cruz County tracks close to typical: 1 of its 137 inventoried bridges (0.7%) are rated poor, against a national rate of about 7%.

1 of the 137 bridges in Santa Cruz County, Arizona, are rated in poor condition (0.7%) in the 2025 National Bridge Inventory, as of August 20, 2026.
77 bridges (56.2%) are rated good and 59 (43.1%) fair.
The median Santa Cruz County bridge was built in 1967.
The busiest poor-rated bridge is Elgin road over Babocomari Creek (built 1920), carrying about 2,473 vehicles a day.

Good 56.2% · Fair 43.1% · Poor 0.7% of 137 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Elgin road over Babocomari Creek	1920	2,473	Poor

Busiest bridges in the county

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
SR 189 over Mariposa Canyon	1977	18,816	Fair
I 19 over Dry Wash	1977	17,530	Fair
I 19 Nb-sb-efr over Tinaja Canyon	1978	17,510	Good
I 19; Nb-sb & Efr over Niger Canyon	1978	17,500	Good

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Arizona: Arizona bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.