East/South Ramp over South Frontage Rd.

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

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

• East/South Ramp over South Frontage Rd. in Maricopa County, Arizona, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1997, making it 28 years old at the 2025 inventory.
• It carries about 13,457 vehicles a day (traffic count year 2020).
• Its listed owner is the state highway agency.
• It is one of 889 of the 2,854 inventoried bridges in Maricopa County rated fair (31.1%); 4 (0.1%) 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.

View this bridge on a map → (33.6682, -112.1169)

Component ratings

Bridge details

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

Busiest bridges in Maricopa County

All bridges nearby: Maricopa County, AZ bridge conditions · every bridge in Maricopa County · Arizona bridges.

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