Griffith Road over I-40

Mohave County, Arizona · rated Good in the 2025 National Bridge Inventory

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

• Griffith Road over I-40 in Mohave County, Arizona, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
• It was built in 1967, making it 58 years old at the 2025 inventory.
• It carries about 539 vehicles a day (traffic count year 2022).
• Its listed owner is the state highway agency.
• It is one of 462 of the 640 inventoried bridges in Mohave County rated good (72.2%); 4 (0.6%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• It was rated fair in the 2024 inventory and is now good (deck 6 to 7).
• Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (35.0336, -114.131)

Component ratings

Bridge details

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

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