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Every bridge in Alpine County, California

Name: Every bridge in Alpine County, California
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

33 inventoried bridges, busiest first

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

Alpine County, California, has 33 bridges in the 2025 National Bridge Inventory: 10 rated good, 21 fair, and 2 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
State Route 88 over West Fork Carson River	1952	3,225	Fair
Old State Route 88 over West Fork Carson River	1939	3,200	Fair
State Route 88 over West Fork Carson River	1963	3,200	Good
State Route 88 over West Fork Carson River	1963	3,200	Good
State Route 89 over West Fork Carson River	1960	3,200	Fair
State Route 89 over Wildlife Access	1980	3,050	Good
State Route 88 over Caples Lake Spillway	1987	2,800	Fair
State Route 88 over West Fork Carson River	1939	2,200	Fair
State Route 89 over West Fork Carson River	1940	2,150	Fair
State Route 4 over Jackass Gulch	1982	1,250	Good
State Route 4 over Pacific Creek	1937	1,250	Fair
Diamond Valley Rd over West Fork Carson River	1987	1,000	Fair
State Route 89 over East Fork Carson River	1934	950	Fair
State Route 89 over Markleeville Creek	1929	840	Fair
State Route 4 over Silver Creek	1986	580	Good
State Route 4 over Silver Creek	1952	540	Poor
State Route 4 over East Fork Carson River	1940	490	Fair
State Route 4 over North Fork Mokelumne Riv	1937	490	Good
State Route 4 over Raymond Meadow Creek	1963	490	Fair
Blue Lakes Rd over West Fork Carson River	1960	400	Fair
Plsnt Vly Rd over Hot Springs Creek	1974	400	Fair
State Park Road over Hot Springs Creek	1964	400	Fair
Dixon Mine Rd over Wolf Creek	2019	280	Good
Wolf Creek Rd over Silver Creek	1956	280	Fair
Crystal Sprgs Camp over West Fork Carson River	1938	275	Poor
Laramie St over Markleeville Creek	1958	200	Fair
Diamond Valley Rd over Indian Creek	1956	157	Fair
Douglas Way Road over West Fork Carson River	1987	100	Good
10n01 over Woods Creek	2012	50	Good
Highland Lake Rd over Mokelumne River	1989	25	Fair
Forestdale Road over Forestdale Creek	1979	15	Good
Horse Meadows Road over Willow Creek	1983	8	Fair
Horse Meadows Road over Willow Creek	1984	8	Fair

Source: FHWA National Bridge Inventory, 2025.

Alpine County bridge conditions · California bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.