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FM 1979 over San Marcos River

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

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

FM 1979 over San Marcos River in Caldwell 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 2012, making it 13 years old at the 2025 inventory.
It carries about 1,133 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 132 of the 208 inventoried bridges in Caldwell County rated good (63.5%); 1 (0.5%) 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 319 ft
Location	1.0 Mi W of SH 80
NBI structure number	140280189801006
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ih 10 Ml & Nfr over Wolf Creek	1972	37,461	Good
SH 130 Ml over Little West Fork	2011	34,919	Good
SH 130 Ml over Crooked Branch	2011	34,919	Good
US 183 over Draw	1948	23,918	Good
US 183 over Clear Fork Plum Creek	2017	23,918	Good
US 183 over Town Creek/uprr/cemetery	2008	22,871	Fair