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Dovetail Valentine over Box Elder Creek 007

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

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

Dovetail Valentine over Box Elder Creek 007 in Petroleum 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 1982, making it 43 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 8 of the 26 inventoried bridges in Petroleum County rated good (30.8%); 4 (15.4%) 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 tee beam
Length	about 92 ft
Location	6M N Winnett
NBI structure number	L35101006+03001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
S 200 over Box Elder Creek	1953	539	Fair
S 244 over Mcdonald Creek	1941	245	Fair
S 244 over Pike Creek	1939	233	Fair
S 244 over Drainage	1935	233	Fair
S 244 over Yellow Water Cr-elk CR	1948	233	Poor
S 244 over Drainage	1940	208	Fair