Home › Montana › Judith Basin County › Nfdr 3350 over Dry Fork Belt Creek

Nfdr 3350 over Dry Fork Belt Creek

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

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

Nfdr 3350 over Dry Fork Belt Creek in Judith Basin County, Montana, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 40 vehicles a day.
It is one of 12 of the 45 inventoried bridges in Judith Basin County rated fair (26.7%); 7 (15.6%) 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	Timber stringer or multi-beam girder
Length	about 36 ft
Location	0.1 Mi South 120/3350 Jct
NBI structure number	011507000000034
Condition class	Fair

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 Otter Creek	1961	2,874	Good
US 87 over Stockpass	1961	2,753	Good