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Nm-498 over Montoya Main Lateral

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

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

Nm-498 over Montoya Main Lateral in Doña Ana 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 1959 and reconstructed in 2019, making it 66 years old at the 2025 inventory.
It carries about 2,248 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 77 of the 261 inventoried bridges in Doña Ana County rated good (29.5%); 11 (4.2%) 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 multiple box beam
Length	about 62 ft
Location	2.13 Mi N Mexico Boundary
NBI structure number	000000000007394
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-70 over Unnamed Waterway	1933	47,762	Fair
US-70 Ebl & Wbl over Roadrunner Parkway	2003	47,762	Fair
US-70 Ebl over Rinconada Road-MP151.9	2003	47,762	Good
US-70 Wbl over Rinconada Road	2003	47,762	Good
US-70 Ebl over Sonoma Ranch Blvd	2003	47,762	Good
US-70 Wbl over Sonoma Ranch Blvd	2003	47,762	Good