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)

STATE ROUTE 99

Good

Over: CALLOWAY CANAL

06-KER-099-26.70, Kern, CA

Built 1963 Load: 32.4 t ADT: 100,000

S204-E178 CONNECTR

Good

Over: SR 204 (GOLDEN ST), Q ST

06-KER-204-4.22-BKD, Kern, CA

Built 1967 Load: 32.4 t ADT: 12,000

INTERSTATE 5

Good

Over: EAST SIDE CANAL

06-KER-005-67.96, Kern, CA

Built 1967 Load: 32.4 t ADT: 30,000

INTERSTATE 5

Good

Over: WEST SIDE CANAL

06-KER-005-71.61, Kern, CA

Built 1967 Load: 32.4 t ADT: 29,000

STATE ROUTE 14

Good

Over: JOSHUA DRAIN

09-KER-014-R0.76, Kern, CA

Built 1968 Load: 32.4 t ADT: 30,500

INTERSTATE 5

Good

Over: MAIN CANAL

06-KER-005-42.89, Kern, CA

Built 1969 Load: 32.4 t ADT: 30,000

STATE ROUTE 58

Good

Over: MILL STREET DRAIN

09-KER-058-R91.46-THPI, Kern, CA

Built 1970 Load: 32.4 t ADT: 42,400

MILL STREET

Good

Over: MILL STREET DRAIN

09-KER-058-R91.68-THPI, Kern, CA

Built 1970 Load: 32.4 t ADT: 2,025

STATE ROUTE 58

Good

Over: MONOLITH DRAIN #1

09-KER-058-R96.67, Kern, CA

Built 1970 Load: 32.4 t ADT: 40,000

STATE ROUTE 58

Good

Over: MONOLITH DRAIN #2

09-KER-058-R96.73, Kern, CA

Built 1970 Load: 32.4 t ADT: 40,000

STATE ROUTE 58

Good

Over: MONOLITH DRAIN #3

09-KER-058-R96.79, Kern, CA

Built 1970 Load: 32.4 t ADT: 40,000

STATE ROUTE 58

Good

Over: SHRUB PEAK DRAIN

09-KER-058-R97.46, Kern, CA

Built 1970 Load: 32.4 t ADT: 40,000

STATE ROUTE 58

Good

Over: CACHE CREEK OVERFLOW #2

09-KER-058-R100.04, Kern, CA

Built 1970 Load: 32.4 t ADT: 40,000

STATE ROUTE 58

Good

Over: CACHE CREEK OVERFLOW #3

09-KER-058-R100.09, Kern, CA

Built 1970 Load: 32.4 t ADT: 40,000

STATE ROUTE 58

Good

Over: CACHE CREEK OVERFLOW #4

09-KER-058-R100.14, Kern, CA

Built 1970 Load: 32.4 t ADT: 40,000

STATE ROUTE 58

Good

Over: BORON AVE DRAIN

09-KER-058-R142.52, Kern, CA

Built 1971 Load: 32.4 t ADT: 31,100

STATE ROUTE 14

Good

Over: BACKUS ROAD DRAIN NO. 1

09-KER-014-R9.30, Kern, CA

Built 1972 Load: 32.4 t ADT: 17,600

EAST FRONTAGE ROAD

Good

Over: BACKUS ROAD DRAIN NO. 1

09-KER-014-R9.30, Kern, CA

Built 1972 Load: 32.4 t ADT: 50

STATE ROUTE 14

Good

Over: BACKUS ROAD DRAIN NO. 2

09-KER-014-R9.80, Kern, CA

Built 1972 Load: 32.4 t ADT: 17,600

STATE ROUTE 14

Good

Over: SILVER QUEEN RD DRAIN

09-KER-014-R11.30, Kern, CA

Built 1972 Load: 32.4 t ADT: 20,200

STATE ROUTE 58

Good

Over: KERN ISLAND CANAL

06-KER-058-R53.66-BKD, Kern, CA

Built 1976 Load: 32.4 t ADT: 15,000

STATE ROUTE 204

Good

Over: AIRPORT DRIVE

06-KER-204-6.70, Kern, CA

Built 1994 Load: 32.4 t ADT: 38,000

STATE ROUTE 178

Good

Over: KISSACK CREEK

06-KER-178-49.90, Kern, CA

Built 1952 Load: 32.4 t ADT: 4,900

US HIGHWAY 395

Good

Over: COUNTY LINE WASH

09-KER-395-R36.70, Kern, CA

Built 1993 Load: 32.4 t ADT: 11,300

STATE ROUTE 202

Good

Over: UP RR,BNSF,TEHACHAPI CRK

09-KER-202-R9.59-THPI, Kern, CA

Built 2002 Load: 32.4 t ADT: 25,400

STATE ROUTE 14 SB

Good

Over: PINE TREE WASH

09-KER-014-29.51, Kern, CA

Built 1994 Load: 32.4 t ADT: 3,350

STATE ROUTE 14 NB

Good

Over: PINE TREE WASH

09-KER-014-29.51, Kern, CA

Built 1994 Load: 32.4 t ADT: 3,350

STATE ROUTE 58 WB

Good

Over: CALIENTE CREEK

06-KER-058-67.30, Kern, CA

Built 1998 Load: 32.4 t ADT: 10,000

STATE ROUTE 58 EB

Good

Over: CALIENTE CREEK

06-KER-058-67.30, Kern, CA

Built 1998 Load: 32.4 t ADT: 13,000

STATE HIGHWAY 178

Good

Over: WALKER CREEK

09-KER-178-91.20, Kern, CA

Built 1996 Load: 32.4 t ADT: 5,000

STATE ROUTE 58 WB

Good

Over: UNION PACIFIC RR (UP RR)

09-KER-058-M111.78, Kern, CA

Built 2003 Load: 32.4 t ADT: 14,500

STATE ROUTE 58 EB

Good

Over: UNION PACIFIC RR (UP RR)

09-KER-058-M111.78, Kern, CA

Built 2003 Load: 32.4 t ADT: 17,000

STATE ROUTE 58 WB

Good

Over: LA DWP EAST AQUEDUCT

09-KER-058-M108.60, Kern, CA

Built 2003 Load: 32.4 t ADT: 14,000

STATE ROUTE 58 EB

Good

Over: LA DWP EAST AQUEDUCT

09-KER-058-M108.60, Kern, CA

Built 2003 Load: 32.4 t ADT: 17,000

STATE ROUTE 46 WB

Good

Over: BITTERWATER CREEK

06-KER-046-15.75, Kern, CA

Built 2013 Load: 32.4 t ADT: 3,000

STATE ROUTE 46 EB

Good

Over: BITTERWATER CREEK

06-KER-046-15.75, Kern, CA

Built 2013 Load: 32.4 t ADT: 3,000

STATE ROUTE 14

Good

Over: GREGORY DRAIN

09-KER-014-16.40, Kern, CA

Built 2008 Load: 32.4 t ADT: 10,700

STATE ROUTE 14

Good

Over: RENATA DRAIN

09-KER-014-16.45, Kern, CA

Built 2008 Load: 32.4 t ADT: 10,700

STATE ROUTE 14

Good

Over: VIVACQUA DRAIN

09-KER-014-16.53, Kern, CA

Built 2008 Load: 32.4 t ADT: 10,700

ACCESS ROAD

Good

Over: DRAINAGE DITCH

09-KER-014-22.35, Kern, CA

Built 2008 Load: 32.4 t ADT: 24

ACCESS ROAD

Good

Over: DRAINAGE DITCH

09-KER-014-23.65, Kern, CA

Built 2008 Load: 32.4 t ADT: 24

ACCESS ROAD

Good

Over: DRAINAGE DITCH

09-KER-014-24.88, Kern, CA

Built 2008 Load: 32.4 t ADT: 24

STATE ROUTE 14

Good

Over: DUCK POND CREEK

09-KER-014-25.76, Kern, CA

Built 2008 Load: 32.4 t ADT: 9,800

STATE ROUTE 166

Good

Over: PLEITITO CREEK

06-KER-166-16.54, Kern, CA

Built 2009 Load: 32.4 t ADT: 2,100

STATE ROUTE 58 EB

Good

Over: SAND CANYON ROAD

09-KER-058-R99.49, Kern, CA

Built 2014 Load: 32.4 t ADT: 10,000

STATE ROUTE 14

Good

Over: WALKER CREEK

09-KER-014-58.50, Kern, CA

Built 2003 Load: 32.4 t ADT: 4,400

STATE ROUTE 14

Good

Over: RED ROCK CANYON

09-KER-014-39.88, Kern, CA

Built 2014 Load: 32.4 t ADT: 6,050

STATE ROUTE 46

Good

Over: MAIN FLOOD CANAL

06-KER-046-32.80, Kern, CA

Built 2020 Load: 32.4 t ADT: 6,800

STATE ROUTE 58 WB

Good

Over: CACHE CREEK

06-KER-058-99.81, Kern, CA

Built 2020 Load: 32.4 t ADT: 19,500

STATE ROUTE 58 EB

Good

Over: CACHE CREEK

06-KER-058-99.82, Kern, CA

Built 2020 Load: 32.4 t ADT: 19,500

Related

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