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Frontage Road 005 over Moon Creek 093

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

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

Frontage Road 005 over Moon Creek 093 in Custer 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 2013, making it 12 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2025).
Its listed owner is the state highway agency.
It is one of 11 of the 71 inventoried bridges in Custer County rated good (15.5%); 6 (8.5%) 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 98 ft
Location	9M SW Miles City
NBI structure number	L09005001+05001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I 94 over Lignite Creek	1964	4,724	Fair
I 94 over Coal Creek	1963	4,724	Fair
I 94 over Tongue River	1961	4,707	Fair
I 94 over Vehicle Pass	1986	4,697	Good
I 94 over Jones Creek-stockpass	1962	4,393	Fair
S 59 over Yellowstone River	1957	2,949	Fair