Or 99 (hwy 486) over I-5 (hwy 001)

Jackson County, Oregon · rated Fair in the 2025 National Bridge Inventory

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

• Or 99 (hwy 486) over I-5 (hwy 001) in Jackson County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1953 and reconstructed in 1972, making it 72 years old at the 2025 inventory.
• It carries about 6,174 vehicles a day (traffic count year 2022).
• Its listed owner is the state highway agency.
• It is one of 243 of the 401 inventoried bridges in Jackson County rated fair (60.6%); 5 (1.2%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• Its class is unchanged from 2024 (fair), but component ratings moved: superstructure 5 to 6, substructure 5 to 6.
• Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
• 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 → (42.42601, -123.04235)

Component ratings

Bridge details

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

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