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88TH Avenue over South Platte River

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

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

88TH Avenue over South Platte River in Adams County, Colorado, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 25,590 vehicles a day (traffic count year 2021).
Its listed owner is a city or municipal highway agency.
It is one of 41 of the 544 inventoried bridges in Adams County rated poor (7.5%); 41 (7.5%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Prestressed concrete single box beam
Length	about 229 ft
Location	1.36 Mi W of I-76
NBI structure number	THN-088CLD-PLR
Condition class	Poor

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