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)

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

BIG TREES PARKWAY

Poor

Over: N FORK STANISLAUS RIVER

CALAV BIG TREES ST PK, Calaveras, CA

Built 1959 ADT: 400
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.