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FM 105 over Cow Bayou

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

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

FM 105 over Cow Bayou in Orange County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1966, making it 59 years old at the 2025 inventory.
It carries about 7,061 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 85 of the 176 inventoried bridges in Orange County rated fair (48.3%); 4 (2.3%) 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 839 ft
Location	0.50 Mi E of FM 408
NBI structure number	201810068902004
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ih 10 over Turnaround	2006	77,615	Good
Ih 10 over Asher Turnaround	2006	76,169	Good
Ih 10 over Bonner Turnaround	2006	76,169	Good
Ih 10 over FM 105 / Main Street	2009	76,169	Good
Ih 10 over Terry Gully	1952	60,095	Fair
Ih 10 over FM 1132	2008	60,095	Good