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FM 1941 over Onion Bayou

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

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

FM 1941 over Onion Bayou in Chambers 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 1956, making it 69 years old at the 2025 inventory.
It carries about 65 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 69 of the 159 inventoried bridges in Chambers County rated fair (43.4%); 3 (1.9%) 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
Ih 10 Ml over Cedar Bayou	1999	104,824	Good
Ih 10 over SH 99 & Hackberry Gully	2007	86,090	Fair
Ih 10 over Barbers Canal	1948	84,431	Good
Ih 10 over SH 146	2000	84,431	Good
Ih 10 over Cotton Bayou	2000	84,431	Good
Ih 10 over FM 3180	2020	84,431	Good