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)

RAILROAD FLAT RD

Fair

Over: LICKING FK MOKELUMNE RIV

3.1 MI SE SR 26, Calaveras, CA

Built 1993 Load: 32.4 t ADT: 369

POOL STATION ROAD

Fair

Over: SAN DOMINGO CREEK

7.6 MI NORTH OF SR4, Calaveras, CA

Built 2005 Load: 32.4 t ADT: 459

POOL STATION RD

Fair

Over: SAN ANTONIO CREEK

7.8 MI NORTH OF SR 4, Calaveras, CA

Built 2006 Load: 32.4 t ADT: 459

TREAT AVENUE

Fair

Over: SAN ANDREAS CREEK

0.15 MI NE OF SR 49, Calaveras, CA

Built 1978 Load: 32.4 t ADT: 2,358

POOLE STATION RD

Fair

Over: BEAR CREEK

3.5 MI N OF S.H. 4, Calaveras, CA

Built 1979 Load: 32.7 t ADT: 126

HOGAN DAM RD

Fair

Over: BEAR CREEK

9.0 MI S/O SR 26, Calaveras, CA

Built 1960 Load: 32.7 t ADT: 85

STATE ROUTE 4

Fair

Over: LITTLEJOHNS CREEK

10-CAL-004-R5.89, Calaveras, CA

Built 1972 Load: 33.4 t ADT: 5,400

WHISKEY SLIDE RD

Fair

Over: JESUS MARIA CREEK

2.7 MI SE OF JESUS MARIA, Calaveras, CA

Built 1936 Load: 37.6 t ADT: 93

MILTON RD

Fair

Over: CALAVERAS RIVER

0.8 M E. OF JENNY LIND RD, Calaveras, CA

Built 1979 Load: 38.6 t ADT: 966

ALGIERS STREET

Fair

Over: ANGELS CREEK

0.2 MI S OF MAIN STREET, Calaveras, CA

Built 1940 Load: 40.5 t ADT: 1,032

OBYRNES FERRY RD

Fair

Over: BLACK CREEK

2.0 MI S INTX WITH SR 4, Calaveras, CA

Built 1972 Load: 40.8 t ADT: 3,082

OBYRNES FERRY ROAD

Fair

Over: TULLOCK RESERVOIR

CAL/TUO COUNTY LINE, Calaveras, CA

Built 1957 Load: 43.1 t ADT: 2,963

GOLD STRIKE ROAD

Fair

Over: NORTH FORK CALAVERAS RIV

0.4 MI SW OF SR 49, Calaveras, CA

Built 1951 Load: 44.1 t ADT: 887

KURT DRIVE

Fair

Over: ANGELS CREEK

JCT SR 4 ANGELES CAMP, Calaveras, CA

Built 1983 Load: 46.7 t ADT: 650

NO DATA ENTERED

Good

Over: BLUE CREEK

NO DATA ENTERED, Calaveras, CA

Built 2002 ADT: 50

STATE ROUTE 49

Good

Over: SIX MILE CREEK

10-CAL-049-6.51, Calaveras, CA

Built 1940 Load: 20.7 t ADT: 6,500

STATE ROUTE 49

Good

Over: SAN ANTONIO CREEK

10-CAL-049-14.09, Calaveras, CA

Built 1934 Load: 22.7 t ADT: 7,300

STATE ROUTE 49

Good

Over: SAN DOMINGO CREEK

10-CAL-049-12.51, Calaveras, CA

Built 1934 Load: 22.7 t ADT: 7,100

STATE ROUTE 49

Good

Over: CHEROKEE CREEK

10-CAL-049-9.01-ANG, Calaveras, CA

Built 1941 Load: 24.3 t ADT: 8,050

CALIFORNIA ST

Good

Over: SAN ANDREAS CREEK

0.05 MI W/O POPE ST, Calaveras, CA

Built 1953 Load: 24.3 t ADT: 395

STATE ROUTE 26

Good

Over: S. FORK MOKELUMNE RIVER

10-CAL-026-30.00, Calaveras, CA

Built 1936 Load: 29.8 t ADT: 750

STATE ROUTE 12

Good

Over: COSGROVE CREEK

10-CAL-012-10.32, Calaveras, CA

Built 1956 Load: 30.8 t ADT: 6,800

STATE ROUTE 49

Good

Over: CALAVERITAS CREEK

10-CAL-049-16.41, Calaveras, CA

Built 1930 Load: 31.8 t ADT: 7,300

STATE ROUTE 26

Good

Over: INDIAN CREEK

10-CAL-026-R4.31, Calaveras, CA

Built 1990 Load: 32.4 t ADT: 2,500

SB STATE ROUTE 26

Good

Over: HILLSIDE

10-CAL-026-29.33, Calaveras, CA

Built 1984 Load: 32.4 t ADT: 1,550

STATE ROUTE 26

Good

Over: M. FORK MOKELUMNE RIVER

10-CAL-026-R33.65, Calaveras, CA

Built 1997 Load: 32.4 t ADT: 1,825

STATE ROUTE 4

Good

Over: MURPHYS GRADE ROAD

10-CAL-004-R21.89, Calaveras, CA

Built 2009 Load: 32.4 t ADT: 9,150

STATE ROUTE 4

Good

Over: CREEK & PENSTOCK PIPE

10-CAL-004-R22.09, Calaveras, CA

Built 2009 Load: 32.4 t ADT: 7,900

STATE ROUTE 4

Good

Over: ANGELS CREEK

10-CAL-004-R22.80, Calaveras, CA

Built 2009 Load: 32.4 t ADT: 9,150

ROCK CREEK RD

Good

Over: ROCK CREEK

1.7 MI S/E MILTON RD, Calaveras, CA

Built 1990 Load: 32.4 t ADT: 37

MAIN STREET

Good

Over: COYOTE CREEK

0.7 MILES SOUTH OF RTE 4., Calaveras, CA

Built 2003 Load: 32.4 t ADT: 417

JESUS MARIA ROAD

Good

Over: NORTH FORK CALAVERAS RIV

2.4 MI S/E OF SR 26, Calaveras, CA

Built 1989 Load: 32.4 t ADT: 479

SHEEP RANCH RD

Good

Over: INDIAN CREEK

6 MI N OF MURPHYS, Calaveras, CA

Built 1989 Load: 32.4 t ADT: 161

POOLE STATION ROAD

Good

Over: CALAVERITAS CREEK

9.6 MI NORTH OF SR 4, Calaveras, CA

Built 2001 Load: 32.4 t ADT: 462

RAILROAD FLAT ROAD

Good

Over: MOKELUMNE RIVER

3.7 MILES SE OF SR 26, Calaveras, CA

Built 1999 Load: 32.4 t ADT: 700

DOGTOWN ROAD

Good

Over: SAN ANTONIO CREEK

9.2 ILES N/O SR 49, Calaveras, CA

Built 2001 Load: 32.4 t ADT: 100

BOOSTER WAY

Good

Over: ANGELS CREEK

0.1 MI W OF SR 4, Calaveras, CA

Built 1990 Load: 32.4 t ADT: 400

CREEKVIEW DRIVE

Good

Over: ANGELS CREEK

150FT N SR4 & BIG TREE DR, Calaveras, CA

Built 2009 Load: 32.4 t ADT: 400

RAILROAD FLAT ROAD

Good

Over: ESPERANZA CREEK

BETWN RDGE RD & JES MA RD, Calaveras, CA

Built 2018 Load: 32.4 t ADT: 800

SOUTHWORTH ROAD

Good

Over: BEAR CREEK

0.4 MI S OF ROUTE 12, Calaveras, CA

Built 2001 Load: 32.4 t ADT: 1,000

STATE ROUTE 49

Good

Over: MURRAY CREEK

10-CAL-049-R20.69, Calaveras, CA

Built 1963 Load: 32.7 t ADT: 5,900

GOLD STRIKE RD

Good

Over: MURRAY CREEK

1.7 MI SW/O SR 49, Calaveras, CA

Built 1949 Load: 34.3 t ADT: 1,364

BURSON RD

Good

Over: BEAR CREEK

1/4 MI S OF SR 12, Calaveras, CA

Built 1986 Load: 35.6 t ADT: 1,104

STATE ROUTE 4

Good

Over: SIX MILE CREEK

10-CAL-004-24.03, Calaveras, CA

Built 1961 Load: 39.2 t ADT: 6,950

PARROTTS FERRY RD

Good

Over: COYOTE CREEK

JUST SOUTH INTX WITH SR 4, Calaveras, CA

Built 1981 Load: 50.5 t ADT: 2,506

STATE ROUTE 26

Good

Over: INDIAN CREEK

10-CAL-026-2.46, Calaveras, CA

Built 1998 Load: 61.9 t ADT: 3,710

WINDING ROAD

Good

Over: NF STANISLAUS RIVER

NO DATA ENTERED, Calaveras, CA

Built 1999 Load: 73.5 t ADT: 50

SHEEP RANCH RD

Good

Over: SAN DOMINGO CREEK

2.4 MI N MURPHYS, Calaveras, CA

Built 1980 Load: 75.2 t ADT: 263

STATE ROUTE 4

Good

Over: CHEROKEE CREEK

10-CAL-004-R19.08, Calaveras, CA

Built 1989 Load: 99.9 t ADT: 5,900

WINDING ROAD

Poor

Over: MOKELUMNE RIVER

NO DATA ENTERED, Calaveras, CA

Built 1989 ADT: 50

Related

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