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Edgerton/mccarthy over Liberty Falls Creek

Copper River Census Area, Alaska · rated Fair in the 2025 National Bridge Inventory

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

Edgerton/mccarthy over Liberty Falls Creek in Copper River Census Area, Alaska, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1963, making it 62 years old at the 2025 inventory.
It carries about 440 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 25 of the 53 inventoried bridges in Copper River Census Area rated fair (47.2%); 3 (5.7%) are rated poor.
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.

Component ratings

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

Bridge	Built	Vehicles/day	Condition
Richardson Highway over Gulkana River	1974	880	Poor
Glenn Highway over Little Nelchina River	1973	820	Good
Glenn Hwy Spur over Little Nelchina River	1952	765	Fair
Glenn Highway over Mendeltna Creek	1977	760	Fair
Glenn Highway over Tolsona Creek	2013	710	Good
Richardson Highway over Tazlina River	1973	640	Fair