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State Highway 57 over Chaco Wash

San Juan County, New Mexico · rated Fair in the 2025 National Bridge Inventory

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

State Highway 57 over Chaco Wash in San Juan 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 1975 and reconstructed in 1991, making it 50 years old at the 2025 inventory.
It carries about 200 vehicles a day (traffic count year 2019).
It is one of 104 of the 174 inventoried bridges in San Juan County rated fair (59.8%); 10 (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


Structure	Prestressed concrete channel beam
Length	about 220 ft
Location	Near Fajada Butte.
NBI structure number	7400002P0000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Nm-516 over Unnamed Waterway	1937	37,626	Fair
Nm-516 over Unnamed Waterway	1937	29,593	Fair
Nm-516 over Unnamed Waterway	1937	22,275	Fair
Nm-516 over Unnamed Waterway	1937	22,275	Fair
Nm-516 over Unnamed Waterway	1937	22,275	Fair
US-64 Ebl/wbl over Unnamed Waterway	1964	21,685	Good