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SH 14 Ml over Grizzly Creek

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

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

SH 14 Ml over Grizzly Creek in Jackson County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1949, making it 76 years old at the 2025 inventory.
It carries about 1,300 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 32 of the 47 inventoried bridges in Jackson County rated fair (68.1%); 2 (4.3%) 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 84 ft
Location	8.6 Miles West Jct SH 125
NBI structure number	B-11-G
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
SH 125 Ml over Michigan River	2012	2,400	Good
SH 125 Ml over Illinois River	1993	2,200	Good
SH 14 Ml over Grizzly Creek	1950	1,300	Fair
SH 14 Ml over Colorado Creek	1949	1,300	Fair
SH 14 Ml over Arapahoe Creek	1950	1,300	Fair
SH 14 Ml over Grizzly Creek	2005	1,300	Good