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Don Propp Rd Pct 1 over Mill Creek

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

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

Don Propp Rd Pct 1 over Mill Creek in Parker 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 2004, making it 21 years old at the 2025 inventory.
It carries about 330 vehicles a day (traffic count year 2019).
Its listed owner is the county highway agency.
It is one of 168 of the 357 inventoried bridges in Parker County rated fair (47.1%); 4 (1.1%) 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 83 ft
Location	0.4 MI S of FLAT ROCK RD
NBI structure number	021840AA1062001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ih 20 over Trib Clear Fk Trinity Ri	1968	98,410	Fair
Ih 20 over Underwood Branch	1968	63,451	Fair
Ih 20 over Three Mile Branch	1968	50,843	Fair
Ih-20 over Trib Sanchez Creek	1969	49,984	Fair
Ih 20 WB over Ranch House Rd	1978	49,802	Fair
Ih 20 EB over Ranch House Rd	1978	49,802	Fair