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Ramp to I 25 Sbnd over County Line Road R

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

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

Ramp to I 25 Sbnd over County Line Road R in Arapahoe County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1991, making it 34 years old at the 2025 inventory.
It carries about 85,500 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 104 of the 392 inventoried bridges in Arapahoe County rated good (26.5%); 21 (5.4%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous prestressed concrete stringer or multi-beam girder
Length	about 181 ft
Location	.85 MI N. JCT I-25 &
NBI structure number	F-17-JZ
Condition class	Good

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