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)

PATTERSON PASS RD

Unknown

Over: ROUTE 580

10-SJ-580-13.54, San Joaquin, CA

Built 1967 ADT: 26,600

INTERSTATE 5 SB

Unknown

Over: PARADISE CUT UC

10-SJ-005-R13.87, San Joaquin, CA

Built 1971 ADT: 500

INTERSTATE 5 NB

Unknown

Over: PARADISE CUT UC

10-SJ-005-R13.87, San Joaquin, CA

Built 1971 ADT: 980

INTERSTATE 5 SB

Unknown

Over: LOUISE AVE

10-SJ-005-R16.47, San Joaquin, CA

Built 1971 ADT: 600

INTERSTATE 5 NB

Unknown

Over: LOUISE AVE

10-SJ-005-R16.47, San Joaquin, CA

Built 1971 ADT: 1,540

STE RR

Unknown

Over: STATE ROUTE 99

10-SJ-099-19.73, San Joaquin, CA

Built 1961 ADT: 83,000

ACACIA AVENUE POC

Unknown

Over: STATE ROUTE 99

10-SJ-099-1.31-RIP, San Joaquin, CA

Built 1967 ADT: 107,000

INTERSTATE 205 WB

Unknown

Over: UP RR & BYRON RD

10-SJ-205-R4.54, San Joaquin, CA

Built 1970 ADT: 4,310

INTERSTATE 205 EB

Unknown

Over: UP RR & BYRON RD

10-SJ-205-R4.54, San Joaquin, CA

Built 1970 ADT: 4,310

CORRAL HOLLOW RD

Unknown

Over: ROUTE 580

10-SJ-580-8.15, San Joaquin, CA

Built 1966 ADT: 26,600

TRACY BLVD

Unknown

Over: ROUTE 580

10-SJ-580-6.57, San Joaquin, CA

Built 1966 ADT: 32,000

FRONTAGE ROAD

Unknown

Over: STATE ROUTE 99

10-SJ-099-21.91, San Joaquin, CA

Built 1964 ADT: 64,000

MORADA LANE

Unknown

Over: STATE ROUTE 99

10-SJ-099-24.03, San Joaquin, CA

Built 1964 ADT: 64,000

EIGHT MILE RD

Unknown

Over: STATE ROUTE 99

10-SJ-099-25.42, San Joaquin, CA

Built 1964 ADT: 64,000

ARMSTRONG RD

Unknown

Over: STATE ROUTE 99

10-SJ-099-27.50, San Joaquin, CA

Built 1964 ADT: 60,500

HARNEY LANE

Unknown

Over: STATE ROUTE 99

10-SJ-099-28.48, San Joaquin, CA

Built 1964 ADT: 60,500

WILSON WY-N99 ONRP

Unknown

Over: STATE ROUTE 99 SB

10-SJ-099-21.67, San Joaquin, CA

Built 1949 ADT: 44,000

CCT RR

Unknown

Over: STATE ROUTE 99

10-SJ-099-21.56, San Joaquin, CA

Built 1949 ADT: 71,000

STATE ROUTE 99

Unknown

Over: STATE ROUTE 120

10-SJ-099-6.65-MTCA, San Joaquin, CA

Built 2007 ADT: 14,100

AUSTIN ROAD

Unknown

Over: STATE ROUTE 99

10-SJ-099-4.89, San Joaquin, CA

Built 1954 ADT: 107,000

INTERSTATE 205

Unknown

Over: CORRAL HOLLOW RD

10-SJ-205-R5.94, San Joaquin, CA

Built 1970 ADT: 18,584

INTERSTATE 205

Unknown

Over: CORRAL HOLLOW RD

10-SJ-205-R5.94, San Joaquin, CA

Built 1970 ADT: 18,584

COTTAGE AVE

Unknown

Over: STATE ROUTE 99

10-SJ-099-7.46-MTCA, San Joaquin, CA

Built 1955 ADT: 92,500

JAHANT RD

Unknown

Over: STATE ROUTE 99

10-SJ-099-35.60, San Joaquin, CA

Built 1957 ADT: 59,000

LOUISE AVE

Unknown

Over: STATE ROUTE 99

10-SJ-099-7.93-MTCA, San Joaquin, CA

Built 1955 ADT: 92,500

COLLIER ROAD

Unknown

Over: STATE ROUTE 99

10-SJ-099-36.67, San Joaquin, CA

Built 1955 ADT: 59,000

LIBERTY RD

Unknown

Over: STATE ROUTE 99

10-SJ-099-37.83, San Joaquin, CA

Built 1955 ADT: 59,000

N99-CHEROKEE LANE

Unknown

Over: STATE ROUTE 99

10-SJ-099-29.00, San Joaquin, CA

Built 1963 ADT: 60,500

STATE ROUTE 99 SB

Unknown

Over: ROUTE 12 - KETTLEMAN LN

10-SJ-099-29.50-LOD, San Joaquin, CA

Built 1963 ADT: 11,800

STATE ROUTE 99 NB

Unknown

Over: ROUTE 12 - KETTLEMAN LN

10-SJ-099-29.50-LOD, San Joaquin, CA

Built 1963 ADT: 11,800

STATE ROUTE 26

Unknown

Over: STATE ROUTE 99 AND RAMPS

10-SJ-026-1.11, San Joaquin, CA

Built 1966 ADT: 83,000

STATE ROUTE 88

Unknown

Over: STATE ROUTE 99 AND RAMPS

10-SJ-088-0.01, San Joaquin, CA

Built 1961 ADT: 71,000

TURNER ROAD

Unknown

Over: STATE ROUTE 99

10-SJ-099-31.58-LOD, San Joaquin, CA

Built 1963 ADT: 59,000

WOODBRIDGE ROAD

Unknown

Over: STATE ROUTE 99

10-SJ-099-32.57, San Joaquin, CA

Built 1956 ADT: 59,000

ACAMPO ROAD

Unknown

Over: STATE ROUTE 99

10-SJ-099-33.57, San Joaquin, CA

Built 1957 ADT: 59,000

PELTIER ROAD

Unknown

Over: STATE ROUTE 99

10-SJ-099-34.58, San Joaquin, CA

Built 1957 ADT: 59,000

CCT RR

Unknown

Over: STATE ROUTE 99

10-SJ-099-30.51-LOD, San Joaquin, CA

Built 1963 ADT: 59,000

E PINE ST

Unknown

Over: STATE ROUTE 99

10-SJ-099-30.73-LOD, San Joaquin, CA

Built 1963 ADT: 59,000

STATE ROUTE 12

Unknown

Over: STATE ROUTE 99

10-SJ-012-18.08-LOD, San Joaquin, CA

Built 1963 ADT: 59,000

EAST LOCKEFORD ST

Unknown

Over: STATE ROUTE 99

10-SJ-099-31.03-LOD, San Joaquin, CA

Built 1963 ADT: 59,000

CHEROKEE RD

Unknown

Over: STATE ROUTE 99

10-SJ-099-20.88, San Joaquin, CA

Built 1961 ADT: 71,000

LODI AVE

Unknown

Over: STATE ROUTE 99

10-SJ-099-30.52-LOD, San Joaquin, CA

Built 1963 ADT: 59,000

NORTH LODI OC

Unknown

Over: STATE ROUTE 99

10-SJ-099-31.35-LOD, San Joaquin, CA

Built 1963 ADT: 59,000

STATE ROUTE 132 EB

Unknown

Over: INTERSTATE ROUTE 580

10-SJ-132-L0.68, San Joaquin, CA

Built 1966 ADT: 22,000

CHRISMAN ROAD

Unknown

Over: STATE ROUTE 132

10-SJ-132-0.24, San Joaquin, CA

Built 1966 ADT: 15,500

STATE ROUTE 132

Unknown

Over: CFNR & STATE ROUTE 33

10-SJ-132-5.81, San Joaquin, CA

Built 1967 ADT: 3,250

CHRISMAN RD

Unknown

Over: INTERSTATE 580

10-SJ-580-4.02, San Joaquin, CA

Built 1967 ADT: 22,000

BIRD ROAD OC

Unknown

Over: INTERSTATE 580

10-SJ-580-1.41, San Joaquin, CA

Built 1967 ADT: 22,000

INTERSTATE 5 SB

Unknown

Over: SHIMIZU DR & SMITH CANAL

10-SJ-005-28.26-STKN, San Joaquin, CA

Built 1968 ADT: 2,500

INTERSTATE 5 NB

Unknown

Over: SHIMIZU DR & SMITH CANAL

10-SJ-005-28.26-STKN, San Joaquin, CA

Built 1968 ADT: 2,500

Related

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