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I25 Ml Sbnd over Weld County Road 6

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

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

I25 Ml Sbnd over Weld County Road 6 in Broomfield 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 2004, making it 21 years old at the 2025 inventory.
It carries about 54,000 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 30 of the 60 inventoried bridges in Broomfield County rated good (50.0%); 1 (1.7%) 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 126 ft
Location	3.9 Mi So of Jct SH 52
NBI structure number	D-17-DN
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 36 Ml over Ramp B & Bikepath	2001	68,000	Good
US 36 Ml over Rock Creek	2015	68,000	Good
US 36 Ml over Flat Iron Circle East	1999	62,000	Good
I 25 Ml Nbnd over County Road 6	2004	54,000	Good
I 25 Ml Nbnd over Nwp	2002	54,000	Good
SB I-25 over NWP/E470	2003	54,000	Good