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I-25 Sbl over Nm-473

Sandoval County, New Mexico · rated Good in the 2025 National Bridge Inventory

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

I-25 Sbl over Nm-473 in Sandoval County, New Mexico, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2003, making it 22 years old at the 2025 inventory.
It carries about 59,841 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 62 of the 180 inventoried bridges in Sandoval County rated good (34.4%); 8 (4.4%) 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 stringer or multi-beam girder
Length	about 67 ft
Location	Junction I-25 and Nm-473
NBI structure number	000000000009274
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US-550 over Irrigation Ditch	1938	91,260	Good
US-550 Sbl over Rio Grande River	1986	91,260	Fair
US-550 Sbl over Rio Grande	1986	91,260	Fair
I-25 Nbl/sbl over Unnamed Waterway	1954	70,705	Fair
I-25 NBL and SBL over Sandia wash	2011	70,705	Fair
I-25 Nbl/sbl over Unnamed Waterway	1954	59,841	Fair