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Windermere St over Highline Canal

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

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

Windermere St over Highline Canal in Arapahoe 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 3 (serious condition) on the 0-9 scale.
It was built in 1964 and reconstructed in 2004, making it 61 years old at the 2025 inventory.
It carries about 299 vehicles a day (traffic count year 2021).
Its listed owner is a city or municipal highway agency.
It is one of 21 of the 392 inventoried bridges in Arapahoe County rated poor (5.4%); 21 (5.4%) 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 tee beam
Length	about 87 ft
Location	0.93 Mi S of Ridge Rd
NBI structure number	LTND.889-03.498
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I 25 Ml over SH 88 Ml W./belleview	1958	246,000	Fair
I 25 Ml over Orchard Road	1958	233,000	Fair
I 25 Ml over Dry Creek Rd	1987	212,000	Fair
I 25 Ml over SH 88 Ml East	2017	212,000	Good
I 25 Ml over County Line Road	1958	171,000	Fair
I 225 Ml over Tollgate Creek	1965	140,000	Good