San Joaquin County, CA

666 public highway bridges

San Joaquin County Bridge Snapshot

San Joaquin County, California contains 666 public highway bridges in the FHWA National Bridge Inventory. Roughly 25.5% are rated “Good,” 38.9% “Fair,” 6.2% “Poor,” and 6.2% 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.

666
Total Bridges
25.5%
Good
6.2%
Poor
6.2%
Structurally Deficient

Condition Distribution

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

Related

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