Home › Texas › Callahan County › FM 604 over North Prong Pecan Bayou

FM 604 over North Prong Pecan Bayou

Callahan County, Texas · rated Good in the 2025 National Bridge Inventory

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

FM 604 over North Prong Pecan Bayou in Callahan County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1955 and reconstructed in 1994, making it 70 years old at the 2025 inventory.
It carries about 289 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 76 of the 156 inventoried bridges in Callahan County rated good (48.7%); 0 (0.0%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Concrete stringer or multi-beam girder
Length	about 89 ft
Location	6.10 Mi S of Ih 20
NBI structure number	080300097401006
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ih 20 Ml over Draw	1948	28,489	Good
Ih 20 Ml over Buck Creek	1948	28,489	Fair
Ih 20 Ml over Draw	1948	28,489	Fair
Ih 20 Ml & Nfr over Draw	1947	25,672	Fair
Ih 20 Ml over Draw	1964	22,984	Fair
Ih 20 Ml over Spring Branch	1965	22,984	Fair