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S 85-jackrabbit Ln over Int Belgrade I 90

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

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

S 85-jackrabbit Ln over Int Belgrade I 90 in Gallatin 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1998, making it 27 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 157 of the 212 inventoried bridges in Gallatin County rated fair (74.1%); 12 (5.7%) 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


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 330 ft
Location	Belgrade
NBI structure number	P00085006+06561
Condition class	Fair

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