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Yellowstone Trail over Racetrack Creek 036

Powell County, Montana · rated Good in the 2025 National Bridge Inventory

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

Yellowstone Trail over Racetrack Creek 036 in Powell County, Montana, 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 2006, making it 19 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2025).
Its listed owner is the county highway agency.
It is one of 36 of the 113 inventoried bridges in Powell County rated good (31.9%); 7 (6.2%) 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	Prestressed concrete tee beam
Length	about 51 ft
Location	2M W Racetrack
NBI structure number	L39022000+01001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I 90 over Dempsey Creek	1973	10,708	Fair
I 90 over Jr Grade Sep	1961	10,463	Fair
I 90 over Jr Grade Sep	1961	10,463	Fair
I 90 over Int Jens	1959	5,992	Fair
I 90 over Int Jens	1959	5,992	Fair
I 90 EB over Int Gold Creek	1959	5,992	Fair