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Irr Bia Rte 9 over Wash

Rio Arriba County, New Mexico · rated Fair in the 2025 National Bridge Inventory

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

Irr Bia Rte 9 over Wash in Rio Arriba County, New Mexico, 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 1925 and reconstructed in 1975, making it 100 years old at the 2025 inventory.
It carries about 20 vehicles a day (traffic count year 2024).
It is one of 88 of the 159 inventoried bridges in Rio Arriba County rated fair (55.3%); 10 (6.3%) 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 New Mexico department of transportation.

Bridge	Built	Vehicles/day	Condition
Nm-68 NB over Santa Cruz River	1957	19,160	Poor
Nm-68 SB over Santa Cruz River	1957	19,160	Fair
Nm-584 over Rio Grande	1977	17,171	Fair
Nm-68 over Unnamed Waterway	1956	16,476	Fair
Nm-68 over Unnamed Waterway	1925	16,131	Good
Nm-68 SB over Unnamed Waterway	1956	16,131	Good