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30th Ave over San Luis Canal

Kings County, California · rated Good in the 2025 National Bridge Inventory

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

30th Ave over San Luis Canal in Kings County, California, 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 1965, making it 60 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2017).
It is one of 74 of the 169 inventoried bridges in Kings County rated good (43.8%); 6 (3.6%) 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 194 ft
Location	1.7 mi S plymouth Ave
NBI structure number	45C0124
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
State Route 198 over 11TH Avenue	1967	27,500	Good
State Route 198 over Hanford-armona Rd	1964	27,500	Good
State Route 198 over 14TH Ave	1964	27,500	Fair
State Route 198 over Last Chance Ditch	1964	27,500	Fair
State Route 198 over Lemoore Canal	1962	21,300	Fair
State Route 198 over BNSF Ry & Amtrak	1967	20,500	Poor