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Big Creek Road over Big Creek

Park County, Montana · rated Poor in the 2025 National Bridge Inventory

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

Big Creek Road over Big Creek in Park County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1961, making it 64 years old at the 2025 inventory.
It carries about 50 vehicles a day.
It is one of 13 of the 126 inventoried bridges in Park County rated poor (10.3%); 13 (10.3%) 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 41 ft
Location	S. of Livingston
NBI structure number	011102000000095
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I 90 over Int West Livingston	1962	9,461	Fair
I 90 over Int West Livingston	1962	9,461	Fair
I 90 over Int S Livingston-us Hwy	1962	9,461	Fair
I 90 over Quinn Creek Road	2022	8,272	Good
I 90 over Quinn Creek Road	2022	8,272	Good
I 90 over Int Hopper	1978	8,236	Fair