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Merill Rd over Milk River 081

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

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

Merill Rd over Milk River 081 in Blaine 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 2010, making it 15 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 35 of the 102 inventoried bridges in Blaine County rated good (34.3%); 10 (9.8%) 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 stringer or multi-beam girder
Length	about 213 ft
Location	4M W Harlem
NBI structure number	L03354003+02001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 2 over Main Irrigation Canal	1968	3,311	Good
Irr - US 2 over Milk River	1964	3,311	Poor
US 2 over Red Rock Creek Overflow	1942	2,919	Fair
US 2 over Drainage	1942	2,919	Fair
US 2 over Red Rock West Overflow	2020	2,732	Good
US 2 over Red Rock Coulee	2020	2,732	Good