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Bridge Ln over Warm Springs Creek 005

Deer Lodge County, Montana · rated Fair in the 2025 National Bridge Inventory

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

Bridge Ln over Warm Springs Creek 005 in Deer Lodge County, Montana, 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 2001, making it 24 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 38 of the 67 inventoried bridges in Deer Lodge County rated fair (56.7%); 3 (4.5%) 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

Component	Rating (2025)	FHWA scale meaning
Deck	5	Fair condition
Superstructure	6	Satisfactory condition


Structure	Steel stringer or multi-beam girder
Length	about 64 ft
Location	1M W Anaconda
NBI structure number	M12002000+00501
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 90 over Lost Creek	1978	11,628	Fair
I 90 over Willow Creek	1978	10,417	Fair
I 90 over Int Galen	1978	5,814	Fair
I 90 over Int Galen	1978	5,814	Good
I 90 over Sep Perkins Lane	1978	5,814	Fair
I 90 over Sep Huffman Lane	1978	5,814	Fair