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Parks Highway over Nenana River at Rex

Denali Borough, Alaska · rated Poor in the 2025 National Bridge Inventory

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

Parks Highway over Nenana River at Rex in Denali Borough, Alaska, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1963, making it 62 years old at the 2025 inventory.
It carries about 910 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 1 of the 27 inventoried bridges in Denali Borough rated poor (3.7%); 1 (3.7%) are rated poor.
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.

Component ratings

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

Bridge	Built	Vehicles/day	Condition
Parks Highway over Kingfisher Creek	1971	2,670	Fair
Parks Highway over Hornet Creek	1971	2,670	Fair
Parks Highway over Iceworm Gulch	1971	2,670	Fair
Parks Highway over Nenana River Park Sta	1970	2,340	Fair
Parks Highway over Nenana River Park Bnd	1973	1,680	Fair
Parks Highway over Riley Creek	2015	1,680	Good