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US 85 Ml over Sand Creek

Douglas County, Colorado · rated Good in the 2025 National Bridge Inventory

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

US 85 Ml over Sand Creek in Douglas County, Colorado, 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 2022, making it 3 years old at the 2025 inventory.
It carries about 16,600 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 139 of the 264 inventoried bridges in Douglas County rated good (52.7%); 6 (2.3%) 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	Continuous prestressed concrete single box beam
Length	about 145 ft
Location	2.9 Mi. N. of Jct S.H. 67
NBI structure number	G-17-AI
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I 25 Ml over Happy Canyon Creek	1999	116,000	Fair
I 25 Ml over Ridgegate Pkwy	2008	116,000	Fair
I 25 Ml over Clydesdale Ln	1999	116,000	Fair
SH 470 Ml over Willow Creek	1984	95,000	Fair
I 25 Nbnd Ramp over Ramp to County Line Rd R	1983	85,500	Fair
C470 EB Ramp to 25 over Lrt	2005	85,500	Fair