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Tampico Rd over Antelope Creek

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

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

Tampico Rd over Antelope Creek in Valley 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 1980, making it 45 years old at the 2025 inventory.
It carries about 183 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 76 of the 103 inventoried bridges in Valley County rated fair (73.8%); 11 (10.7%) 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	Continuous steel stringer or multi-beam girder
Length	about 96 ft
Location	5M SE Tampico
NBI structure number	S00246006+07001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 2 over Cherry Creek Overflow	1980	5,857	Fair
US 2 over Cherry Creek	1979	5,857	Fair
US 2 over Goudge Coulee	1994	1,967	Fair
US 2 over Whately Creek	1987	1,967	Fair
US 2 over Porcupine Creek	2006	1,584	Fair
US 2 over Porcupine Creek Overflow	2006	1,584	Fair