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Tofty Road over Blowback Creek

Yukon-Koyukuk Census Area, Alaska · rated Good in the 2025 National Bridge Inventory

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

Tofty Road over Blowback Creek in Yukon-Koyukuk Census Area, Alaska, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2016, making it 9 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 41 of the 94 inventoried bridges in Yukon-Koyukuk Census Area rated good (43.6%); 8 (8.5%) 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.

Component ratings


Structure	Prestressed concrete tee beam
Length	about 104 ft
Location	Mile Point 9.5
NBI structure number	1541
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Parks Highway over North Slough Tanana Riv	1967	1,710	Fair
Parks Highway over Tanana River at Nenana	1967	1,710	Fair
Parks Highway over Little Goldstream Ck	2021	1,570	Good
Parks Highway over Monderosa Overhead	2003	1,570	Good
Parks Highway over Fish Creek	1965	1,410	Fair
Denali Park Road over Savage River	1983	1,300	Fair