Home › Montana › Rosebud County › Old Hwy 10 over Reservation Creek 043

Old Hwy 10 over Reservation Creek 043

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

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

Old Hwy 10 over Reservation Creek 043 in Rosebud 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 5 (fair condition) on the 0-9 scale.
It was built in 1936, making it 89 years old at the 2025 inventory.
It carries about 273 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 87 of the 112 inventoried bridges in Rosebud County rated fair (77.7%); 7 (6.2%) 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 100 ft
Location	11M W Forsyth
NBI structure number	L44311012+01001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Irr Bia Rte 6 over Lame Deer Creek	1976	3,000	Good
I 94 over Int East Forsyth	1977	2,749	Fair
I 94 over Int East Forsyth	1977	2,749	Fair
I 94 over Int W Rosebud 446-447	1970	2,636	Fair
I 94 over Int W Rosebud 446-447	1970	2,636	Fair
I 94 over Rosebud Creek	1970	2,636	Fair