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SH 43 over Black Bayou

Cass County, Texas · rated Fair in the 2025 National Bridge Inventory

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

SH 43 over Black Bayou in Cass County, Texas, 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 1954 and reconstructed in 2002, making it 71 years old at the 2025 inventory.
It carries about 3,014 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 102 of the 145 inventoried bridges in Cass County rated fair (70.3%); 1 (0.7%) 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

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

Bridge	Built	Vehicles/day	Condition
US 59 over Kennedy Branch	1947	13,244	Fair
US 59 over FM 3129	2015	13,244	Fair
US 59 over Black Bayou	1998	12,956	Fair
US 59 over Johns Creek	1997	9,653	Fair
US 59 over Bowman Creek	1955	9,567	Fair
US 59 over Frazier Creek	2003	9,567	Fair