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)

HIBBARD ROAD

Fair

Over: SOUTH PADDY CREEK

0.4 MI N OF ATKINSON, San Joaquin, CA

Built 1964 Load: 34.7 t ADT: 205

LIVE OAK RD

Fair

Over: BEAR CREEK

0.7 MI E ALPINE RD, San Joaquin, CA

Built 1963 Load: 34.7 t ADT: 431

HARNEY LANE

Fair

Over: NORTH PADDY CREEK

0.5 MI E OF S.H.88, San Joaquin, CA

Built 1964 Load: 34.7 t ADT: 1,882

HARNEY LANE

Fair

Over: BEAR CREEK

0.03 MI E OF S.H. 88, San Joaquin, CA

Built 1964 Load: 34.7 t ADT: 1,882

INTERSTATE 580 EB

Fair

Over: UP RR & ACE

10-SJ-580-11.51, San Joaquin, CA

Built 1967 Load: 35.0 t ADT: 13,300

INTERSTATE 580 WB

Fair

Over: UP RR & ACE

10-SJ-580-11.51, San Joaquin, CA

Built 1967 Load: 35.0 t ADT: 13,300

INTERSTATE 580 EB

Fair

Over: VALLEY VIEW RD

10-SJ-580-11.30, San Joaquin, CA

Built 1966 Load: 35.0 t ADT: 13,300

ELLIOTT RD

Fair

Over: COYOTE CREEK

0.5 MI N OF LIBERTY RD, San Joaquin, CA

Built 1972 Load: 35.0 t ADT: 1,120

ODELL AVENUE

Fair

Over: WALKER SLOUGH

NORTH OF DOWNING AVE, San Joaquin, CA

Built 1970 Load: 35.6 t ADT: 1,814

INTERSTATE 580

Fair

Over: HANSEN ROAD

10-SJ-580-12.03, San Joaquin, CA

Built 1967 Load: 36.0 t ADT: 13,300

CLEMENTS RD

Fair

Over: CALAVERAS RIVER

0.4 MI N COMSTOCK RD, San Joaquin, CA

Built 1969 Load: 36.3 t ADT: 1,146

PERSHING AVE

Fair

Over: SMITH CANAL

JUST NORTH HARDING WAY, San Joaquin, CA

Built 1952 Load: 36.3 t ADT: 29,100

INTERSTATE 5 SB

Fair

Over: BNSF RY & AMTRAK

10-SJ-005-25.78-STKN, San Joaquin, CA

Built 1972 Load: 36.6 t ADT: 87,500

WIMAR ROAD

Fair

Over: INDIAN CREEK N BRANCH

1.2 MI S OF SR 26, San Joaquin, CA

Built 1956 Load: 36.6 t ADT: 34

HOLLENBECK

Fair

Over: DUCK CREEK

0.1 MI N OF SH 4, San Joaquin, CA

Built 1968 Load: 36.6 t ADT: 68

STATE ROUTE 99 NB

Fair

Over: CALAVERAS RIVER

10-SJ-099-21.79, San Joaquin, CA

Built 1949 Load: 36.9 t ADT: 35,500

INTERSTATE 5 NB

Fair

Over: BNSF RY & AMTRAK

10-SJ-005-25.78-STKN, San Joaquin, CA

Built 1972 Load: 37.3 t ADT: 43,750

STATE ROUTE 12

Fair

Over: MOKELUMNE RIVER

10-SJ-012-0.01, San Joaquin, CA

Built 1942 Load: 37.6 t ADT: 15,000

INTERSTATE 580

Fair

Over: HANSEN ROAD

10-SJ-580-12.03, San Joaquin, CA

Built 1967 Load: 37.6 t ADT: 13,300

EL DORADO ST

Fair

Over: MOSHER SLOUGH

0.2 MI N GLENCANNON ST, San Joaquin, CA

Built 1969 Load: 37.9 t ADT: 9,676

99 FRONTAGE RD E

Fair

Over: PIXLEY SLOUGH

0.6 MI S ARMSTRONG RD, San Joaquin, CA

Built 1964 Load: 38.6 t ADT: 2,155

99 FRONTAGE RD W

Fair

Over: PIXLEY SLOUGH

0.6 MI S ARMSTRONG RD, San Joaquin, CA

Built 1964 Load: 39.5 t ADT: 3,498

INTERSTATE 5 NB

Fair

Over: HOSPITAL ROAD

10-SJ-005-R21.70, San Joaquin, CA

Built 1971 Load: 40.2 t ADT: 42,250

KAISER ROAD

Fair

Over: N FK S LITTLEJOHNS CREEK

1.5 MI S MARIPOSA RD, San Joaquin, CA

Built 1954 Load: 40.2 t ADT: 76

INTERSTATE 580 EB

Fair

Over: VALPICO ROAD

10-SJ-580-9.71, San Joaquin, CA

Built 1966 Load: 40.5 t ADT: 13,300

INTERSTATE 580 WB

Fair

Over: VALPICO ROAD

10-SJ-580-9.71, San Joaquin, CA

Built 1966 Load: 40.5 t ADT: 13,300

FLOOD ROAD

Fair

Over: MORMON SLOUGH

0.9 MI WEST OF FINE ROAD, San Joaquin, CA

Built 1973 Load: 40.8 t ADT: 401

INTERSTATE 5 SB

Fair

Over: TOM PAINE SLOUGH

10-SJ-005-R12.39, San Joaquin, CA

Built 1971 Load: 41.1 t ADT: 23,750

INTERSTATE 5 NB

Fair

Over: TOM PAINE SLOUGH

10-SJ-005-R12.39, San Joaquin, CA

Built 1971 Load: 41.1 t ADT: 23,750

INTERSTATE 5 SB

Fair

Over: MOSHER SLOUGH

10-SJ-005-33.50, San Joaquin, CA

Built 1975 Load: 42.1 t ADT: 48,000

INTERSTATE 5 SB

Fair

Over: FRENCH CAMP SLOUGH

10-SJ-005-R23.25, San Joaquin, CA

Built 1971 Load: 42.4 t ADT: 87,500

INTERSTATE 5 NB

Fair

Over: FRENCH CAMP SLOUGH

10-SJ-005-R23.25, San Joaquin, CA

Built 1971 Load: 42.4 t ADT: 43,750

STATE ROUTE 132 W

Fair

Over: DELTA-MENDOTA CANAL

10-SJ-132-2.95, San Joaquin, CA

Built 1966 Load: 42.8 t ADT: 7,750

STATE ROUTE 132 E

Fair

Over: DELTA-MENDOTA CANAL

10-SJ-132-2.95, San Joaquin, CA

Built 1971 Load: 42.8 t ADT: 7,750

INTERSTATE 5 SB

Fair

Over: BEAVER SLOUGH

10-SJ-005-45.87, San Joaquin, CA

Built 1979 Load: 43.7 t ADT: 25,000

INTERSTATE RTE 5 S

Fair

Over: HOSPITAL CREEK

10-SJ-005-1.10, San Joaquin, CA

Built 1971 Load: 44.7 t ADT: 11,400

INTERSTATE RTE 5 N

Fair

Over: HOSPITAL CREEK

10-SJ-005-1.10, San Joaquin, CA

Built 1971 Load: 44.7 t ADT: 11,400

FINE RD

Fair

Over: CHANNEL A

0.01 MI N FLOOD RD, San Joaquin, CA

Built 1972 Load: 44.7 t ADT: 801

WALKER LANE

Fair

Over: MORMON SLOUGH

0.3 MI S MAIN ST, San Joaquin, CA

Built 1974 Load: 45.7 t ADT: 1,615

AIRPORT WAY

Fair

Over: SAN JOAQUIN RIVER 06

0.5 MI NE OF KASSON RD, San Joaquin, CA

Built 1965 Load: 46.0 t ADT: 2,042

STATE ROUTE 132 W

Fair

Over: CALIFORNIA AQUEDUCT

10-SJ-132-0.81, San Joaquin, CA

Built 1966 Load: 46.3 t ADT: 7,750

STATE ROUTE 132 E

Fair

Over: CALIFORNIA AQUEDUCT

10-SJ-132-0.81, San Joaquin, CA

Built 1966 Load: 46.3 t ADT: 7,750

INTERSTATE RTE 5 S

Fair

Over: GAFFERY ROAD

10-SJ-005-0.30L, San Joaquin, CA

Built 1971 Load: 46.7 t ADT: 10,800

INTERSTATE 580 EB

Fair

Over: UP RR & ACE

10-SJ-580-12.76, San Joaquin, CA

Built 1967 Load: 47.0 t ADT: 13,300

INTERSTATE 580 WB

Fair

Over: UP RR & ACE

10-SJ-580-12.74, San Joaquin, CA

Built 1967 Load: 47.0 t ADT: 13,300

PARADISE ROAD

Fair

Over: TOM PAINE SLOUGH

0.1 MI S OF CANAL BLVD, San Joaquin, CA

Built 1980 Load: 48.3 t ADT: 912

INTERSTATE 5 NB

Fair

Over: CALIFORNIA AQUEDUCT

10-SJ-005-2.00, San Joaquin, CA

Built 1966 Load: 49.9 t ADT: 11,400

JACK TONE ROAD

Fair

Over: S FK S LITTLEJOHNS CREEK

1.7 MI S MARIPOSA RD, San Joaquin, CA

Built 1955 Load: 49.9 t ADT: 2,204

JACKTONE RD

Fair

Over: SOUTH FORK COYOTE CREEK

0.2 MI N OF LIBERTY ROAD, San Joaquin, CA

Built 1976 Load: 52.5 t ADT: 117

BRANDT RD

Fair

Over: BEAR CREEK

0.5 MI E JACK TONE RD, San Joaquin, CA

Built 1973 Load: 53.8 t ADT: 1,270
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.