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Ih 20 WB over CR 431 (Jim Hogg Rd)

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

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

Ih 20 WB over CR 431 (Jim Hogg Rd) in Smith 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1964, making it 61 years old at the 2025 inventory.
It carries about 20,932 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 218 of the 428 inventoried bridges in Smith County rated fair (50.9%); 3 (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


Structure	Continuous steel stringer or multi-beam girder
Length	about 162 ft
Location	1.1 Mi E of US 69
NBI structure number	102120049505138
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 69 over West Mud Creek	1956	46,059	Fair
Ih 20 over Rattlesnake Creek	1961	38,914	Fair
Sl 323 over W Mud CR Tr	1956	38,634	Fair
Ih 20 over Allen Branch Trib	1961	38,112	Fair
Ih 20 over Allen Branch	1961	38,112	Fair
Sl 323 over Indian Cr	1956	36,533	Fair