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Irr Bia Rte 461 over Unnamed Creek

Prince of Wales-Hyder Census Area, Alaska · rated Poor in the 2025 National Bridge Inventory

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

Irr Bia Rte 461 over Unnamed Creek in Prince of Wales-Hyder Census Area, Alaska, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
It was built in 1980, making it 45 years old at the 2025 inventory.
It carries about 10 vehicles a day (traffic count year 2021).
It is one of 16 of the 226 inventoried bridges in Prince of Wales-Hyder Census Area rated poor (7.1%); 16 (7.1%) 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


Structure	Prestressed concrete tee beam
Length	about 39 ft
Location	5.6 Miles East of Hydabur
NBI structure number	E09211T0461-060
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Irr:craig/klwk Hwy over Klawock River	1990	1,990	Fair
Craig/klawock/holl over Crab Creek Culvert	1985	1,200	Poor
Big Salt Lake Road over Bennett Creek	1985	680	Good
Big Salt Lake Road over Steelhead River	1998	400	Good
Salmon River Road over Fish Creek	1965	390	Fair
N Prince of Wales over Yatuk Creek	1990	340	Good