Irr:nknk-kng Salmn over King Salmon Creek

Bristol Bay Borough, Alaska · rated Good in the 2025 National Bridge Inventory

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

• Irr:nknk-kng Salmn over King Salmon Creek in Bristol Bay Borough, Alaska, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
• It was built in 1960, making it 65 years old at the 2025 inventory.
• It carries about 760 vehicles a day (traffic count year 2020).
• Its listed owner is the state highway agency.
• It is one of 2 of the 2 inventoried bridges in Bristol Bay Borough rated good (100.0%); 0 (0.0%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• Its class is unchanged from 2024 (good), but component ratings moved: superstructure 9 to 8, substructure 8 to 7.
• Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
• It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
• 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 → (58.69609, -156.69791)

Component ratings

Bridge details

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

Busiest bridges in Bristol Bay Borough

All bridges nearby: Bristol Bay Borough, AK bridge conditions · every bridge in Bristol Bay Borough · Alaska bridges.

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