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Maiden Rock Rd over Bridger Creek 106

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

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

Maiden Rock Rd over Bridger Creek 106 in Gallatin 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 1940, making it 85 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 12 of the 212 inventoried bridges in Gallatin County rated poor (5.7%); 12 (5.7%) 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	Steel stringer or multi-beam girder
Length	about 33 ft
Location	3M E Bozeman
NBI structure number	L16014000+05001
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
N Seventh Ave over Int N 7TH Ave-i 90	2014	26,020	Fair
US 191-huffine Ln over Hyalite Creek	1956	25,670	Fair
N 19TH Ave over Int N 19TH Ave	1994	23,992	Fair
I 90 over Walking Path	2011	21,232	Fair
I 90 over Int Airway Blvd	2014	15,554	Fair
I 90 over Int Airway Blvd	2014	15,554	Fair