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I 25 Ml Nbnd over 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

I 25 Ml Nbnd over 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	2 Mi No of Jct SH7
NBI structure number	D-17-DM
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
I25 Ml Sbnd over Weld 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