Calaveras County, CA

106 public highway bridges

Calaveras County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Calaveras County, California contains 106 public highway bridges. Roughly 33% are rated “Good,” 59.4% “Fair,” and 6.6% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

106
Total Bridges
33%
Good
59.4%
Fair
6.6%
Poor Condition

Condition Distribution

Good
33% (35)
Fair
59.4% (63)
Poor
6.6% (7)

All Bridges (106)

CEMENT PLANT ROAD

Unknown

Over: STATE ROUTE 49

10-CAL-049-16.46, Calaveras, CA

Built 1935 ADT: 6,950

WINDING ROAD

Fair

Over: BLUE CREEK

NO DATA ENTERED, Calaveras, CA

Built 1981 ADT: 50

NO DATA ENTERED

Fair

Over: M-FORK STANISLAUS RIVER

04N27, Calaveras, CA

Built 1999 ADT: 50

MIDDLE BAR RD

Fair

Over: MOKELUMNE RIVER

3.0 MI S OF RTE 49, Calaveras, CA

Built 1912 Load: 7.8 t ADT: 23

DOGTOWN RD

Fair

Over: SAN DOMINGO CREEK

4.5 MI NE/O SR 49, Calaveras, CA

Built 1940 Load: 11.0 t ADT: 84

DOGTOWN RD

Fair

Over: FRENCH GULCH

3.9 MI N/O SR 49, Calaveras, CA

Built 1940 Load: 12.0 t ADT: 84

LIME CREEK RD

Fair

Over: YOUNGS CREEK

0.4 MI SW OF SR 12, Calaveras, CA

Built 1917 Load: 12.6 t ADT: 180

STATE ROUTE 26

Fair

Over: N. FORK MOKELUMNE RIVER

10-CAL-026-38.31, Calaveras, CA

Built 1930 Load: 16.2 t ADT: 1,350

ROCK CREEK ROAD

Fair

Over: ROCK CREEK OVERFLOW

1.8 MI SE OF MILTON, Calaveras, CA

Built 1936 Load: 16.2 t ADT: 37

LIME CREEK RD

Fair

Over: YOUNGS CREEK

0.6 MI SW OF SR 12, Calaveras, CA

Built 1915 Load: 16.2 t ADT: 379

MAIN ST

Fair

Over: ANGELS CREEK

AT JONES ST IN MURPHYS, Calaveras, CA

Built 1909 Load: 16.2 t ADT: 2,064

DOGTOWN RD

Fair

Over: INDIAN CREEK

6.5 MI N/O SR 49, Calaveras, CA

Built 1930 Load: 16.2 t ADT: 65

DOGTOWN RD

Fair

Over: INDIAN CREEK

8.6 MI N/O SR 49, Calaveras, CA

Built 1930 Load: 16.2 t ADT: 35

WARREN RD

Fair

Over: WARREN CREEK

0.5 MI W/O EVERGREEN RD, Calaveras, CA

Built 1937 Load: 16.2 t ADT: 207

WARREN RD

Fair

Over: WARREN CREEK

0.9 MI W/O EVERGREEN RD, Calaveras, CA

Built 1937 Load: 16.2 t ADT: 207

WARREN RD

Fair

Over: INDIAN CREEK

N OF INTERSECT SR 26, Calaveras, CA

Built 1936 Load: 16.2 t ADT: 277

EVERGREEN RD

Fair

Over: WARREN CREEK

0.7 MI S OF SOUTHWORTH RD, Calaveras, CA

Built 1938 Load: 16.2 t ADT: 237

PETTINGER RD

Fair

Over: BEAR CREEK

3/4 MI S OF S.R. 12, Calaveras, CA

Built 1937 Load: 16.2 t ADT: 955

HOGAN DAM RD

Fair

Over: COSGROVE CREEK

0.2 MI E/O SR 26, Calaveras, CA

Built 1941 Load: 16.8 t ADT: 1,089

MAIN ST

Fair

Over: SAN ANDREAS CREEK

IN SAN ANDREAS, Calaveras, CA

Built 1914 Load: 16.8 t ADT: 1,443

UTICA POWERHOUSE R

Fair

Over: ANGELS CREEK

0.4 MI SW/O SR 4, Calaveras, CA

Built 1920 Load: 17.2 t ADT: 78

DOUBLE SPRINGS RD

Fair

Over: HAUPT CREEK

0.1 MI E/O SR 26, Calaveras, CA

Built 1917 Load: 17.2 t ADT: 409

STATE ROUTE 49

Fair

Over: ANGELS CREEK

10-CAL-049-7.16-ANG, Calaveras, CA

Built 1909 Load: 17.5 t ADT: 9,100

MONGE RANCH ROAD

Fair

Over: COYOTE CREEK

0.1 MI E SR 4 DOUGLAS FLT, Calaveras, CA

Built 1935 Load: 18.1 t ADT: 98

STATE ROUTE 4

Fair

Over: W BRANCH CHEROKEE CREEK

10-CAL-004-16.15, Calaveras, CA

Built 1930 Load: 19.4 t ADT: 5,900

STATE ROUTE 12

Fair

Over: N. FORK CALAVERAS RIVER

10-CAL-012-17.25, Calaveras, CA

Built 1938 Load: 20.1 t ADT: 7,000

HOGAN DAM RD

Fair

Over: CALAVERAS RIVER

3.8 MI S/O SR 26, Calaveras, CA

Built 1960 Load: 20.1 t ADT: 368

SHEEP RANCH RD

Fair

Over: SAN ANTONIO CREEK

7.8 MI NORTH OF MURPHYS, Calaveras, CA

Built 1930 Load: 22.0 t ADT: 216

HOGAN DAM RD

Fair

Over: SLATE CREEK

6.3 MI S/O SR 26, Calaveras, CA

Built 1959 Load: 22.7 t ADT: 196

SHEEP RANCH RD

Fair

Over: O'NEIL CREEK

AT GOLD MOUNTAIN ROAD, Calaveras, CA

Built 1930 Load: 24.0 t ADT: 332

STATE ROUTE 12

Fair

Over: LIME CREEK

10-CAL-012-12.15, Calaveras, CA

Built 1939 Load: 24.3 t ADT: 8,000

STATE ROUTE 4

Fair

Over: WATERMAN CREEK

10-CAL-004-17.60, Calaveras, CA

Built 1941 Load: 24.3 t ADT: 7,900

HOGAN DAM ROAD

Fair

Over: COSGROVE CREEK

0.1 MI E JCT SR 26, Calaveras, CA

Built 1962 Load: 24.3 t ADT: 1,089

SHEEP RANCH RD

Fair

Over: MCKINNEY CREEK

0.4 MI SE MTN RANCH RD, Calaveras, CA

Built 1967 Load: 24.3 t ADT: 801

MILTON ROAD

Fair

Over: HUNTINGTON CREEK

1.6 MI NW ROCK CK RD MLTN, Calaveras, CA

Built 1967 Load: 24.3 t ADT: 1,000

MILTON RD

Fair

Over: S GULCH CREEK

2.6 MI NW ROCK CK RD MLTN, Calaveras, CA

Built 1967 Load: 24.3 t ADT: 1,000

COPPER COVE DRIVE

Fair

Over: BLACK CREEK

1 MI W O'BYRNE FERRY RD, Calaveras, CA

Built 1965 Load: 24.3 t ADT: 500

OLIVE ORCHARD RD

Fair

Over: INDIAN CREEK

300' WEST OF SR 26, Calaveras, CA

Built 1950 Load: 24.3 t ADT: 1,567

SWISS RANCH RD

Fair

Over: JESUS MARIA CREEK

4.0 MI E RAILROAD FLAT RD, Calaveras, CA

Built 1952 Load: 26.2 t ADT: 43

STATE ROUTE 4S

Fair

Over: ANGELS CREEK

10-CAL-004S-21.41-ANG, Calaveras, CA

Built 1946 Load: 27.5 t ADT: 7,900

SAN DOMINGO ROAD

Fair

Over: SAN DOMINGO CREEK

0.3 MI W SHEEP RANCH ROAD, Calaveras, CA

Built 1935 Load: 29.2 t ADT: 96

VISTA DEL LAGO DR

Fair

Over: COSGROVE CREEK

0.3 MI E OF S.R. 26, Calaveras, CA

Built 1968 Load: 29.2 t ADT: 3,090

STATE ROUTE 49

Fair

Over: NORTH FORK CALAVERAS RIV

10-CAL-049-R21.49, Calaveras, CA

Built 1963 Load: 31.4 t ADT: 4,700

STATE ROUTE 12

Fair

Over: HAUPT CREEK

10-CAL-012-13.93, Calaveras, CA

Built 1993 Load: 32.4 t ADT: 7,500

STATE ROUTE 4

Fair

Over: MCCARTY CREEK

10-CAL-004-R4.85, Calaveras, CA

Built 1972 Load: 32.4 t ADT: 5,050

STATE ROUTE 4

Fair

Over: GARDNER LANE

10-CAL-004-R21.42, Calaveras, CA

Built 2009 Load: 32.4 t ADT: 7,900

SCHADD ROAD

Fair

Over: MIDDLE FORK MOKELUMNE RI

4 MI E OF WILSEYVILLE, Calaveras, CA

Built 1968 Load: 32.4 t ADT: 35

RAILROAD FLAT RD

Fair

Over: JESUS MARIA CREEK

1.8 MI. S. JESUS MARIA RD, Calaveras, CA

Built 1978 Load: 32.4 t ADT: 571

SILVER RAPIDS RD

Fair

Over: KATHY CREEK

1 MI E JCT WITH SR 26, Calaveras, CA

Built 1975 Load: 32.4 t ADT: 1,014

CAMANCHE PARKWAY

Fair

Over: MOKELUMNE RIVER

2.6 MI NE OF BURSON RD, Calaveras, CA

Built 1964 Load: 32.4 t ADT: 874
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.