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Third St NE over Abandoned Rr-antelope CR

Wheatland County, Montana · rated Poor in the 2025 National Bridge Inventory

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

Third St NE over Abandoned Rr-antelope CR in Wheatland County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1939, making it 86 years old at the 2025 inventory.
It carries about 2,063 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 4 of the 27 inventoried bridges in Wheatland County rated poor (14.8%); 4 (14.8%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 203 ft
Location	Harlowton-third St NE
NBI structure number	P00014100+04531
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 191 over RR	2009	2,316	Good
US 191 over Musselshell River	1969	805	Good
US 191 over Abandoned RR	1969	805	Good
US 191 over Drainage	1942	706	Fair
US 191 over S Fork American Fork	1941	706	Poor
US 191 over American Fork	1942	706	Fair