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US 87 over Otter Creek

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

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

US 87 over Otter Creek in Judith Basin County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 1961, making it 64 years old at the 2025 inventory.
It carries about 2,874 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 26 of the 45 inventoried bridges in Judith Basin County rated good (57.8%); 7 (15.6%) 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 83 ft
Location	2M W Raynesford
NBI structure number	P00057008+04821
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 87 over Dawkins Branch	2021	3,335	Good
US 87 over Ross Fork Creek	1971	3,335	Good
US 87 over Otter Creek	1961	2,874	Good
US 87 over Otter Creek	1961	2,874	Good
US 87 over Stockpass	1961	2,753	Good
US 87 over RR	2012	2,650	Good