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120TH Ave. over I76 Ml/bnsf/canal/ac Rd

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

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

120TH Ave. over I76 Ml/bnsf/canal/ac Rd in Adams 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 2002, making it 23 years old at the 2025 inventory.
It carries about 23,848 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 271 of the 544 inventoried bridges in Adams County rated fair (49.8%); 41 (7.5%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 990 ft
Location	120TH Ave. over I76
NBI structure number	E-17-UG
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Hov Ramp over I25 Access	1993	242,000	Good
I 25 Ramp over Hov Ramp R	1998	242,000	Good
I 25 Ml over 62ND Ave	1993	196,000	Fair
I 25 Ml over UP RR	1993	196,000	Fair
US 36 Ebnd Ml over I 25 Ml Ramps Hov Lanes	1994	168,000	Good
I 25 Ml over Pedestrian Underpass	1955	154,000	Fair