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Marshall Lake Rd over W Fk Clearwater

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

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

Marshall Lake Rd over W Fk Clearwater in Missoula County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 8 (very good condition) on the 0-9 scale.
It was built in 2008, making it 17 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 1998).
It is one of 66 of the 206 inventoried bridges in Missoula County rated good (32.0%); 15 (7.3%) 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

Component	Rating (2025)	FHWA scale meaning
Superstructure	8	Very good condition
Substructure	8	Very good condition


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 76 ft
Location	Marshall Lk
NBI structure number	011606000000093
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
N Reserve St over Clark Fork R Flood Plain	1977	35,914	Fair
N Reserve St over Clark Fork River	1975	35,914	Fair
Reserve St over W Broadway St-rr	1998	29,572	Fair
Brooks St-us 12 over Bitterroot River	1968	28,185	Fair
I 90 over Grant Creek	1965	27,328	Good
N Russel Street over Clark Fork River	2020	23,274	Good