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Service Road over Mill Creek SR

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

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

Service Road over Mill Creek SR in Clear Creek 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 5 (fair condition) on the 0-9 scale.
It was built in 1934, making it 91 years old at the 2025 inventory.
It carries about 1,081 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 45 of the 77 inventoried bridges in Clear Creek County rated fair (58.4%); 5 (6.5%) 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	Steel stringer or multi-beam girder
Length	about 32 ft
Location	3.1 Mi E of Jct US 40
NBI structure number	E-14-O
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 70 Ml over Clear Creek	1989	47,000	Good
I 70 Ml over Clear Creek	1999	47,000	Fair
I 70 Ml over County Road 314	1999	47,000	Fair
Ramp to US 6 Ml over Clear Creek R	1959	41,000	Poor
I 70 Ml over Clear Creek	1971	39,000	Fair
I 70 Ml over Soda Creek Road	1958	39,000	Fair