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Auraria Pkwy Ramp over I25 Ramps and Walnut

Denver County, Colorado · rated Fair in the 2025 National Bridge Inventory

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

Auraria Pkwy Ramp over I25 Ramps and Walnut in Denver County, Colorado, 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 1987, making it 38 years old at the 2025 inventory.
It carries about 15,048 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 260 of the 457 inventoried bridges in Denver County rated fair (56.9%); 9 (2.0%) 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	Continuous steel stringer or multi-beam girder
Length	about 586 ft
Location	Ramp over I25 to SB I25
NBI structure number	F-16-NX
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 25 Ml over RTD Pedestrian Underpass	2003	261,000	Fair
I 25 Ml over RR Spur	1949	242,000	Fair
I 25 Ml over Fox Street	1949	242,000	Good
I 25 Ml over Storm Drainage	1993	242,000	Fair
I 25 Ml over W. Myrtle Pl. / RR	1956	235,000	Fair
I 25 Ml over 13TH Ave	1956	235,000	Fair