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CR 277 over Throckmorton Creek

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

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

CR 277 over Throckmorton Creek in Collin County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
It was built in 1999, making it 26 years old at the 2025 inventory.
It carries about 28 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 770 of the 1,139 inventoried bridges in Collin County rated good (67.6%); 1 (0.1%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 75 ft
Location	0.85 Mi S of CR 363
NBI structure number	180430AA0281001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 75 over Prairie Creek	1992	246,848	Fair
US 75 over Renner Rd	1992	246,848	Fair
US 75 over Spring Creek	1992	246,848	Fair
US 75 over Drain	1989	229,617	Fair
US 75 over Bowman Branch	1989	229,617	Fair
US 75 over Drain	1989	229,617	Good