Kern County, CA

686 public highway bridges

Kern County Bridge Snapshot

Kern County, California contains 686 public highway bridges in the FHWA National Bridge Inventory. Roughly 32.7% are rated “Good,” 32.8% “Fair,” 4.5% “Poor,” and 4.5% 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.

686
Total Bridges
32.7%
Good
4.5%
Poor
4.5%
Structurally Deficient

Condition Distribution

Good
32.7% (224)
Fair
32.8% (225)
Poor
4.5% (31)
SD
4.5% (31)

All Bridges (686)

BNSF RY (& AMTRAK)

Unknown

Over: Q STREET

SOUTH OF TRUXTUN AVENUE, Kern, CA

Built 1999 ADT: 6,525

BNSF RY (& AMTRAK)

Unknown

Over: Q STREET

SOUTH OF TRUXTUN AVENUE, Kern, CA

Built 1999 ADT: 6,525

PARKING LOT ACCESS

Unknown

Over: Q STREET

SOUTH OF TRUXTUN AVENUE, Kern, CA

Built 1999 ADT: 6,525

BNSF TRACKS

Unknown

Over: CALLOWAY DRIVE

0.5 MI SOUTH OF SR58, Kern, CA

Built 1990 ADT: 21,471

FRONTAGE ROAD

Unknown

Over: CALLOWAY DRIVE

0.5 MI SOUTH OF SR58, Kern, CA

Built 1990 ADT: 21,471

OAK CREEK ROAD

Unknown

Over: UP RR & BNSF RY, SR 14

350 FT WEST OF ROUTE 14, Kern, CA

Built 1999 ADT: 33,400

WOOLLOMES AVE

Fair

Over: FRIANT-KERN CANAL

0.3 MI EAST OF ZACHARY AV, Kern, CA

Built 1949 Load: 10.4 t ADT: 470

INTERSTATE 5 NB

Fair

Over: CALIFORNIA AQUEDUCT

06-KER-005-12.47, Kern, CA

Built 1967 Load: 13.0 t ADT: 24,375

POND RD

Fair

Over: FRIANT-KERN CANAL

0.3 MI EAST OF ZACHARY AV, Kern, CA

Built 1950 Load: 15.2 t ADT: 660

LERDO HIGHWAY

Fair

Over: UP RR

0.2 MI E OF ZERKER RD, Kern, CA

Built 1961 Load: 15.9 t ADT: 10,110

PETERSON RD

Fair

Over: FRIANT-KERN CANAL

0.3 MI WEST OF ZACHARY AV, Kern, CA

Built 1949 Load: 15.9 t ADT: 150

STATE ROUTE 99

Fair

Over: LERDO CANAL

06-KER-099-37.22, Kern, CA

Built 1913 Load: 16.2 t ADT: 90,000

STATE ROUTE 33

Fair

Over: WASP WASH

06-KER-033-37.89, Kern, CA

Built 1940 Load: 16.2 t ADT: 1,400

STATE ROUTE 119

Fair

Over: BUENA VISTA SLOUGH

06-KER-119-14.98, Kern, CA

Built 1931 Load: 16.2 t ADT: 10,400

34TH STREET

Fair

Over: EAST SIDE CANAL

WEST OF UNION AVE, Kern, CA

Built 1935 Load: 16.2 t ADT: 10,689

KING,BAKER,KERN ST

Fair

Over: EAST SIDE CANAL

AT LAKE STREET, Kern, CA

Built 1940 Load: 16.2 t ADT: 3,877

CHESTER AVE

Fair

Over: LEVEE CANAL

NORTH OF 42ND ST, Kern, CA

Built 1930 Load: 16.2 t ADT: 15,625

4TH STREET

Fair

Over: KERN ISLAND CANAL

0.3 MI W OF UNION AVE, Kern, CA

Built 1940 Load: 16.2 t ADT: 4,402

8TH STREET

Fair

Over: KERN ISLAND CANAL

EAST OF 'R' ST, Kern, CA

Built 1936 Load: 16.2 t ADT: 7,541

ALTA VISTA DR

Fair

Over: EAST SIDE CANAL

SOUTH OF MONTEREY ST, Kern, CA

Built 1947 Load: 16.2 t ADT: 3,600

N STREET

Fair

Over: KERN ISLAND CANAL

150 FT N OF BRUNDAGE LN, Kern, CA

Built 1948 Load: 16.2 t ADT: 4,794

BRUNDAGE LANE

Fair

Over: KERN ISLAND CNL CNTRL BR

0.1 MI E/O 'P' STREET, Kern, CA

Built 1915 Load: 16.2 t ADT: 4,016

BRUNDAGE LANE

Fair

Over: KERN ISLAND CANAL

WEST OF 'N' STREET, Kern, CA

Built 1915 Load: 16.2 t ADT: 4,016

9TH AVE

Fair

Over: FRIANT-KERN CANAL

0.6 MI EAST OF ZACHARY AV, Kern, CA

Built 1955 Load: 16.5 t ADT: 390

ZACHARY AVE

Fair

Over: FRIANT-KERN CANAL

0.4 MI SOUTH OF POND RD, Kern, CA

Built 1949 Load: 16.5 t ADT: 150

STATE ROUTE 46

Fair

Over: MAIN DRAIN CANAL

06-KER-046-34.63, Kern, CA

Built 1956 Load: 18.5 t ADT: 6,100

MANOR STREET SB

Fair

Over: KERN RIVER

0.2 MI S ROBERTS LANE, Kern, CA

Built 1954 Load: 19.4 t ADT: 10,750

MANOR STREET NB

Fair

Over: KERN RIVER

0.2 MI S ROBERTS LANE, Kern, CA

Built 1957 Load: 19.4 t ADT: 10,750

BROWN-INYOKERN RD

Fair

Over: AIRPORT WASH

1.2 MI N OF RTE 178, Kern, CA

Built 1945 Load: 19.4 t ADT: 2,050

STATE ROUTE 119

Fair

Over: WEED CREEK

06-KER-119-4.41, Kern, CA

Built 1936 Load: 21.1 t ADT: 7,400

STATE ROUTE 119

Fair

Over: BROAD CREEK

06-KER-119-4.65, Kern, CA

Built 1936 Load: 21.4 t ADT: 9,700

UNIT 1/UNIT 2 DIKE

Fair

Over: MARSH UNIT 1/MARSH UNT 2

2.0 MI SSW OF HDQTRS, Kern, CA

Built 1970 Load: 21.6 t ADT: 15

INTERSTATE 5 SB

Fair

Over: CALIFORNIA AQUEDUCT

06-KER-005-12.47, Kern, CA

Built 1967 Load: 21.7 t ADT: 24,375

UNIT 2/UNIT 3 DIKE

Fair

Over: MARSH UNIT 2/MARSH UNT 3

0.8 MI SSW OF HDQTRS, Kern, CA

Built 1970 Load: 21.8 t ADT: 15

UNIT2/UNIT 6B DIKE

Fair

Over: MARSH UNT 2/MARSH UNT 6B

1.2 MI SW OF HDQTRS, Kern, CA

Built 1970 Load: 21.8 t ADT: 15

CECIL AVE

Fair

Over: FRIANT-KERN CANAL

0.5 MI EAST OF ZACHARY AV, Kern, CA

Built 1949 Load: 22.7 t ADT: 2,260

STATE ROUTE 33

Fair

Over: SANDY CREEK

06-KER-033-19.51-TAF, Kern, CA

Built 1923 Load: 23.0 t ADT: 10,700

OILDALE DRIVE

Fair

Over: BEARDSLEY CANAL

0.04 MI S OF DECATUR DR, Kern, CA

Built 1981 Load: 23.0 t ADT: 5,300

STATE ROUTE 178

Fair

Over: HILLSIDE

06-KER-178-13.74, Kern, CA

Built 1923 Load: 23.3 t ADT: 4,350

BROWN-INYOKERN RD

Fair

Over: LITTLE DIXIE WASH

2 MI S OF RTE 178, Kern, CA

Built 1945 Load: 23.7 t ADT: 1,200

OAK STREET

Fair

Over: BNSF RY & AMTRAK

0.1 MI N/O CALIFORNIA AVE, Kern, CA

Built 1939 Load: 24.0 t ADT: 24,433

BAKERSFLD-GLEN RD

Fair

Over: POSO CREEK

S OF ROUND MTN RD, Kern, CA

Built 1937 Load: 24.0 t ADT: 1,250

TUPMAN ROAD

Fair

Over: WESTSIDE CANAL

1.4 MI S OF STATION ROAD, Kern, CA

Built 1972 Load: 24.0 t ADT: 460

STATE ROUTE 166

Fair

Over: SAN EMIGDIO CREEK

06-KER-166-12.52, Kern, CA

Built 1929 Load: 24.3 t ADT: 3,300

STATE ROUTE 155

Fair

Over: POSO CREEK

06-KER-155-38.79, Kern, CA

Built 1943 Load: 24.3 t ADT: 300

STATE ROUTE 99 NB

Fair

Over: LERDO CANAL

06-KER-099-32.42, Kern, CA

Built 1936 Load: 24.3 t ADT: 90,000

STATE ROUTE 178

Fair

Over: HILLSIDE

06-KER-178-13.78, Kern, CA

Built 1922 Load: 24.3 t ADT: 4,350

STATE ROUTE 99

Fair

Over: LERDO CANAL

06-KER-099-R43.90L, Kern, CA

Built 1936 Load: 24.3 t ADT: 61,000

STATE ROUTE 178

Fair

Over: EAST SIDE CANAL

06-KER-178-R2.42-BKD, Kern, CA

Built 1986 Load: 24.3 t ADT: 75,000

STATE ROUTE 155

Fair

Over: TILLIE CREEK OVERFLOW

06-KER-155-R60.88, Kern, CA

Built 1951 Load: 24.3 t ADT: 6,300

Related

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