San Joaquin County, CA

666 public highway bridges

San Joaquin County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, San Joaquin County, California contains 666 public highway bridges. Roughly 25.5% are rated “Good,” 38.9% “Fair,” and 6.2% “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.

666
Total Bridges
25.5%
Good
38.9%
Fair
6.2%
Poor Condition

Condition Distribution

Good
25.5% (170)
Fair
38.9% (259)
Poor
6.2% (41)

All Bridges (666)

EIGHT MILE RD

Fair

Over: BEAR CREEK

0.1 MI W/O SR 99, San Joaquin, CA

Built 1961 Load: 31.4 t ADT: 1,900

SAN JOAQUIN ST

Fair

Over: MORMON SLOUGH

0.1 MI S HAZLETON AVE, San Joaquin, CA

Built 1958 Load: 31.4 t ADT: 2,700

STATE ROUTE 26

Fair

Over: STOCKTON DIVERTING CANAL

10-SJ-026-1.90, San Joaquin, CA

Built 1967 Load: 31.8 t ADT: 10,200

COLLIER ROAD

Fair

Over: SOUTH FORK COYOTE CREEK

1.7 MI E OF JACK TONE RD, San Joaquin, CA

Built 1964 Load: 31.8 t ADT: 514

VAN ALLEN ROAD

Fair

Over: TEMPLE CREEK S BRANCH

0.6 MI S OF GAWNE RD, San Joaquin, CA

Built 1927 Load: 31.8 t ADT: 641

MACKVILLE ROAD

Fair

Over: SOUTH FORK COYOTE CREEK

0.9 MI S OF LIBERTY ROAD, San Joaquin, CA

Built 1969 Load: 31.8 t ADT: 239

HARROLD RD

Fair

Over: SSJID CANAL

0.5 MI N OF RIVER RD, San Joaquin, CA

Built 1962 Load: 31.8 t ADT: 1,041

INTERSTATE 5 NB

Fair

Over: DOWNING AVENUE

10-SJ-005-R23.66, San Joaquin, CA

Built 1971 Load: 32.1 t ADT: 43,750

STATE ROUTE 99 SB

Fair

Over: MOKELUMNE RI,FRONTAGE R

10-SJ-099-31.72, San Joaquin, CA

Built 1957 Load: 32.4 t ADT: 29,500

STATE ROUTE 99 NB

Fair

Over: STANISLAUS RIVER

10-SJ-099-0.00, San Joaquin, CA

Built 1948 Load: 32.4 t ADT: 53,500

STATE ROUTE 99

Fair

Over: BERGS CANAL

10-SJ-099-15.22, San Joaquin, CA

Built 1956 Load: 32.4 t ADT: 70,500

SB 99-FRENCH CAMP

Fair

Over: LONE TREE SLOUGH

10-SJ-099-11.80, San Joaquin, CA

Built 2014 Load: 32.4 t ADT: 1,000

STATE ROUTE 4

Fair

Over: DUCK CREEK

10-SJ-004-R22.72, San Joaquin, CA

Built 1951 Load: 32.4 t ADT: 4,550

SR 4

Fair

Over: LITTLEJOHNS CREEK

10-SJ-004-33.59, San Joaquin, CA

Built 1988 Load: 32.4 t ADT: 4,800

STATE ROUTE 99 SB

Fair

Over: SOUTH CHANNEL DRY CREEK

10-SJ-099-38.51, San Joaquin, CA

Built 1938 Load: 32.4 t ADT: 29,500

STATE ROUTE 99 NB

Fair

Over: SOUTH CHANNEL DRY CREEK

10-SJ-099-38.51, San Joaquin, CA

Built 1955 Load: 32.4 t ADT: 29,500

STATE ROUTE 12

Fair

Over: LITTLE POTATO SLOUGH

10-SJ-012-R4.44, San Joaquin, CA

Built 1991 Load: 32.4 t ADT: 15,000

INTERSTATE 5 NB

Fair

Over: BROOKSIDE, CALAVERAS RIV

10-SJ-005-29.56, San Joaquin, CA

Built 1968 Load: 32.4 t ADT: 124,000

INTERSTATE 205 WB

Fair

Over: UP RR

10-SJ-205-R11.60, San Joaquin, CA

Built 1970 Load: 32.4 t ADT: 48,500

INTERSTATE 205 EB

Fair

Over: UP RR

10-SJ-205-R11.60, San Joaquin, CA

Built 1970 Load: 32.4 t ADT: 48,500

INTERSTATE 205 WB

Fair

Over: CANAL ROAD

10-SJ-205-R11.72, San Joaquin, CA

Built 1970 Load: 32.4 t ADT: 48,500

INTERSTATE 205 EB

Fair

Over: CANAL ROAD

10-SJ-205-R11.72, San Joaquin, CA

Built 1970 Load: 32.4 t ADT: 48,500

INTERSTATE 5

Fair

Over: BUENA VISTA UC

10-SJ-005-27.28-STKN, San Joaquin, CA

Built 1970 Load: 32.4 t ADT: 56,500

RAMP/CONNECTOR 5

Fair

Over: CARLTON AVE

10-SJ-005-27.66-STKN, San Joaquin, CA

Built 1970 Load: 32.4 t ADT: 1,750

INTERSTATE 5 NB

Fair

Over: ROTH ROAD

10-SJ-005-R19.58, San Joaquin, CA

Built 1971 Load: 32.4 t ADT: 42,250

INTERSTATE 5 NB

Fair

Over: EBMUD AQUEDUCT

10-SJ-005-29.83, San Joaquin, CA

Built 1970 Load: 32.4 t ADT: 124,000

INTERSTATE 5 SB

Fair

Over: BARBER ROAD

10-SJ-005-49.18, San Joaquin, CA

Built 1979 Load: 32.4 t ADT: 26,500

INTERSTATE 5

Fair

Over: BARBER ROAD

10-SJ-005-49.18, San Joaquin, CA

Built 1979 Load: 32.4 t ADT: 26,500

SR 120 WB

Fair

Over: UP RR & ACE

10-SJ-120-R1.81, San Joaquin, CA

Built 1995 Load: 32.4 t ADT: 37,500

E132 -S5 CONNECTOR

Fair

Over: DELTA-MENDOTA CANAL

10-SJ-132-3.22, San Joaquin, CA

Built 1971 Load: 32.4 t ADT: 5,000

ROUTE 12

Fair

Over: FARMER ACCESS

10-SJ-012-2.61, San Joaquin, CA

Built 2016 Load: 32.4 t ADT: 18,200

STATE ROUTE 4

Fair

Over: STATE ROUTE 4

10-SJ-004-R15.70-STKN, San Joaquin, CA

Built 2017 Load: 32.4 t ADT: 15,800

MOUNTAIN HOUSE RD

Fair

Over: CALIFORNIA AQUEDUCT

0.1 MI S. SCHULTE RD, San Joaquin, CA

Built 1993 Load: 32.4 t ADT: 4,403

WEBER ST

Fair

Over: MORMON SLOUGH

0.3 MI W LINCOLN ST, San Joaquin, CA

Built 1969 Load: 32.4 t ADT: 6,100

CHRISMAN ROAD

Fair

Over: DELTA-MENDOTA CANAL

1.2 MI NORTH OF I-580, San Joaquin, CA

Built 1948 Load: 32.4 t ADT: 617

ELLIOT RD

Fair

Over: N OVFLOW MOKELUMNE RIVER

0.7 MI NW OF SH 88/12, San Joaquin, CA

Built 1955 Load: 32.4 t ADT: 2,513

CORRAL HOLLOW RD

Fair

Over: CORRAL HOLLOW CREEK

3.3 MI SW OF I-580, San Joaquin, CA

Built 1959 Load: 32.4 t ADT: 1,006

CORRAL HOLLOW RD

Fair

Over: CORRAL HOLLOW CREEK

2.8 MI SW OF I-580, San Joaquin, CA

Built 1959 Load: 32.4 t ADT: 1,006

CORRAL HOLLOW RD

Fair

Over: CORRAL HOLLOW CREEK

2.1 MI SW OF S.H. 580, San Joaquin, CA

Built 1959 Load: 32.4 t ADT: 1,006

CORRAL HOLLOW RD

Fair

Over: CORRAL HOLLOW CREEK

1.5 MI SW OF I-580, San Joaquin, CA

Built 1959 Load: 32.4 t ADT: 1,006

CORRAL HOLLOW RD

Fair

Over: CORRAL HOLLOW CREEK

0.9 MI SW OF I-580, San Joaquin, CA

Built 1959 Load: 32.4 t ADT: 1,006

ALPINE RD

Fair

Over: PIXLEY CREEK

0.4 MI N LIVE OAK RD, San Joaquin, CA

Built 1977 Load: 32.4 t ADT: 1,032

COLLIER RD

Fair

Over: SOUTH FORK COYOTE CREEK

1.3 MI E OF TULLY RD, San Joaquin, CA

Built 1963 Load: 32.4 t ADT: 514

COLE DRIVE

Fair

Over: MOSHER SLOUGH

N OF ASHLEY LANE, San Joaquin, CA

Built 1977 Load: 32.4 t ADT: 566

LIVE OAK RD

Fair

Over: PIXLEY SLOUGH

0.1 MI EAST OF S.H. 99, San Joaquin, CA

Built 1993 Load: 32.4 t ADT: 488

TRACY BOULEVARD

Fair

Over: CORRAL HOLLOW CREEK

1.3 MI N OF SR 580, San Joaquin, CA

Built 1990 Load: 32.4 t ADT: 999

MOUNTAIN HOUSE RD

Fair

Over: DELTA-MENDOTA CANAL

0.8 MI S OF I-205, San Joaquin, CA

Built 1993 Load: 32.4 t ADT: 7,819

ORO AVENUE

Fair

Over: MORMON SLOUGH

0.3 MI SOUTH MAIN ST, San Joaquin, CA

Built 1988 Load: 32.4 t ADT: 4,300

SCHULTE ROAD

Fair

Over: DELTA-MENDOTA CANAL

0.2 MI W HANSEN RD, San Joaquin, CA

Built 1993 Load: 32.4 t ADT: 6,662

HANSEN ROAD

Fair

Over: DELTA-MENDOTA CANAL

0.3 MI S SCHULTE RD, San Joaquin, CA

Built 1993 Load: 32.4 t ADT: 2,119
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.