Calaveras County, CA

106 public highway bridges

Calaveras County Bridge Snapshot

Calaveras County, California contains 106 public highway bridges in the FHWA National Bridge Inventory. Roughly 33% are rated “Good,” 59.4% “Fair,” 6.6% “Poor,” and 6.6% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in CA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

106
Total Bridges
33%
Good
6.6%
Poor
6.6%
Structurally Deficient

Condition Distribution

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

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial