WILTZIUS/3030 over Imbler Creek

Whitman County, Washington · rated Good in the 2025 National Bridge Inventory

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

• WILTZIUS/3030 over Imbler Creek in Whitman County, Washington, 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 2005, making it 20 years old at the 2025 inventory.
• It carries about 14 vehicles a day (traffic count year 2021).
• Its listed owner is the county highway agency.
• It is one of 182 of the 349 inventoried bridges in Whitman County rated good (52.1%); 13 (3.7%) are rated poor.
• 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 → (47.1605, -117.81253)

Component ratings

Bridge details

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

Busiest bridges in Whitman County

All bridges nearby: Whitman County, WA bridge conditions · every bridge in Whitman County · Washington bridges.

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