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SW Houghton Rd over Tub CR

Caldwell County, Missouri · rated Poor in the 2025 National Bridge Inventory

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

SW Houghton Rd over Tub CR in Caldwell County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
It was built in 2006, making it 19 years old at the 2025 inventory.
It carries about 5 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 22 of the 211 inventoried bridges in Caldwell County rated poor (10.4%); 22 (10.4%) 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 55 ft
Location	S 31 T 56 N R 28 W
NBI structure number	31759
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 36 E over Brushy CR Br	1963	12,786	Fair
US 36 E over W Sheep CR	1963	12,786	Fair
US 36 E over Mill CR	1963	11,855	Fair
US 36 E over Panther CR	1958	11,079	Fair
US 36 E over Tom CR	1958	9,628	Fair
US 36 E over Wolf Br	1958	8,698	Fair