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I 70 Service Rd over Rattlesnake Creek SR

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

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

I 70 Service Rd over Rattlesnake Creek SR 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 deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1931, making it 94 years old at the 2025 inventory.
It carries about 383 vehicles a day (traffic count year 2024).
Its listed owner is the state 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	Timber stringer or multi-beam girder
Length	about 244 ft
Location	4.4 Mi E of Jct US 36 (by
NBI structure number	F-20-C
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