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Joyce Street over Ralston Creek | Ralston

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

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

Joyce Street over Ralston Creek | Ralston in Jefferson 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 5 (fair condition) on the 0-9 scale.
It was built in 1975, making it 50 years old at the 2025 inventory.
It carries about 110 vehicles a day (traffic count year 2021).
Its listed owner is a city or municipal highway agency.
It is one of 279 of the 468 inventoried bridges in Jefferson County rated fair (59.6%); 30 (6.4%) 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	Prestressed concrete tee beam
Length	about 81 ft
Location	0.06 Mi North of 68TH Ave
NBI structure number	ARVA-KK-0.06-01
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 70 Ml over Garrison Street	1967	118,000	Fair
I 70 Ml over Carr Street	1967	118,000	Fair
I 70 Ml over SH 121 Ml	1996	118,000	Fair
US 6 Ml over SH 95 Ml/sheridan Ave.	2011	114,000	Good
I-70 Ml over SH 72 Ml/ward Road	2024	112,000	Good
I70 Ml over Light Rail	2010	106,000	Fair