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Rd 552 over Powder River 016

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

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

Rd 552 over Powder River 016 in Powder River County, Montana, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2008, making it 17 years old at the 2025 inventory.
It carries about 47 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 11 of the 23 inventoried bridges in Powder River County rated fair (47.8%); 0 (0.0%) 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 470 ft
Location	2M E Powderville
NBI structure number	L38202022+08001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 212 over Little Powder River	1976	2,594	Fair
US 212 over E Fk Little Powder River	1983	2,594	Fair
US 212 over E Fork Otter Creek	1992	2,305	Good
US 212 over Pumpkin Creek	2012	2,197	Good
US 212 over Powder River	1985	2,084	Good
S 59 over Mizpah Creek	2001	742	Good