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I 25 Ml Sbnd over Frontage Road

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

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

I 25 Ml Sbnd over Frontage Road in Las Animas County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1969, making it 56 years old at the 2025 inventory.
It carries about 6,000 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 125 of the 205 inventoried bridges in Las Animas County rated fair (61.0%); 30 (14.6%) 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	Continuous concrete tee beam
Length	about 100 ft
Location	9.3 Mi S. of Aguilar Int
NBI structure number	O-18-CJ
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
County Road 20.8 over I 25 Ml	1959	16,000	Fair
I 25 Ramp over SB Onramp Frm Comm. St.	2011	16,000	Good
I 25 Nbnd Off Ramp over North Commercial Street	2010	16,000	Good
I 25 Ml over Arroyo	1951	16,000	Fair
I 25 Ml over Draw	1969	12,000	Fair
County Road 18.9 over I 25 Ml	2022	12,000	Good