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Irr Bia Rte 70 over Big Bonito Creek

Apache County, Arizona · rated Fair in the 2025 National Bridge Inventory

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

Irr Bia Rte 70 over Big Bonito Creek in Apache County, Arizona, 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 1982, making it 43 years old at the 2025 inventory.
It carries about 10 vehicles a day (traffic count year 2024).
It is one of 116 of the 258 inventoried bridges in Apache County rated fair (45.0%); 16 (6.2%) 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


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 80 ft
Location	27.4 Km SE of White River
NBI structure number	00000000000H086
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Irr I 40; EB over Black Creek	1967	25,552	Fair
Irr I 40; EB & WB over Wash	1964	25,270	Good
Irr I 40; EB & WB over Cedar Point Wash	1949	25,270	Good
Irr I 40; EB & WB over Wash	1963	22,521	Good
Irr I 40; EB & WB over Wash	1966	22,224	Fair
Irr I 40; EB & WB over Wash	1962	22,224	Good