Empire Street over Drainage

Silver Bow County, Montana · rated Poor in the 2025 National Bridge Inventory

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

• Empire Street over Drainage in Silver Bow County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
• It was built in 1953, making it 72 years old at the 2025 inventory.
• It carries about 100 vehicles a day (traffic count year 2025).
• Its listed owner is a city or municipal highway agency.
• It is one of 2 of the 70 inventoried bridges in Silver Bow County rated poor (2.9%); 2 (2.9%) are rated poor.
• Its traffic status in the 2025 inventory is open, posting recommended but not legally implemented (NBI item 41).
• It does not appear under this structure number in the 2024 inventory (a new or renumbered structure).
• Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
• A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

View this bridge on a map → (46.01998, -112.5459)

Component ratings

Bridge details

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

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