Home › California › Calaveras County › Singletree Drive over Little Johns Creek

Singletree Drive over Little Johns Creek

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

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

Singletree Drive over Little Johns Creek in Calaveras 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 2019, making it 6 years old at the 2025 inventory.
It carries about 400 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 39 of the 108 inventoried bridges in Calaveras County rated good (36.1%); 6 (5.6%) 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 multiple box beam
Length	about 138 ft
Location	NE of Conestoga Trail
NBI structure number	30C0095
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 4 over Murphys Grade Road	2009	9,150	Good
State Route 4 over Angels Creek	2009	9,150	Good
State Route 49 over Angels Creek	1909	9,100	Fair
State Route 49 over Cherokee Creek	1941	8,050	Good
State Route 12 over Lime Creek	1939	8,000	Fair
State Route 4 over Waterman Creek	1941	7,900	Fair