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NB I-25 Onramp over I-25 Offramp to Broadway

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

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

NB I-25 Onramp over I-25 Offramp to Broadway 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 2005, making it 20 years old at the 2025 inventory.
It carries about 94,000 vehicles a day (traffic count year 2020).
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 prestressed concrete stringer or multi-beam girder
Length	about 348 ft
Location	I-25/Washington St.
NBI structure number	F-17-NB
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