Los Angeles County, CA

3,937 public highway bridges

Los Angeles County Bridge Snapshot

Los Angeles County, California contains 3,937 public highway bridges in the FHWA National Bridge Inventory. Roughly 34.3% are rated “Good,” 17.1% “Fair,” 2.2% “Poor,” and 2.2% 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.

3,937

Total Bridges

34.3%

Good

2.2%

Poor

2.2%

Structurally Deficient

Condition Distribution

Good

34.3% (1,350)

Fair

17.1% (675)

Poor

2.2% (88)

SD

2.2% (88)

All Bridges (3,937)

Sort:

INTERSTATE 110

Over: GAGE AVE

07-LA-110-17.51-LA, Los Angeles, CA

Built 1956 ADT: 20,000

INTERSTATE 110

Over: 67TH STREET

07-LA-110-17.28-LA, Los Angeles, CA

Built 1956 ADT: 4,000

INTERSTATE 110

Over: FLORENCE AVE

07-LA-110-16.98-LA, Los Angeles, CA

Built 1956 ADT: 5,000

INTERSTATE 110

Over: 76TH STREET

07-LA-110-16.72-LA, Los Angeles, CA

Built 1956 ADT: 4,000

INTERSTATE 110

Over: 79TH STREET

07-LA-110-16.52-LA, Los Angeles, CA

Built 1956 ADT: 4,000

INTERSTATE 110

Over: 83RD STREET

07-LA-110-16.26-LA, Los Angeles, CA

Built 1956 ADT: 99

INTERSTATE 110

Over: MANCHESTER AVE

07-LA-110-15.98-LA, Los Angeles, CA

Built 1996 ADT: 20,000

INTERSTATE 110

Over: 88TH PLACE

07-LA-110-15.75-LA, Los Angeles, CA

Built 1956 ADT: 2,000

INTERSTATE 110

Over: 92ND STREET

07-LA-110-15.47-LA, Los Angeles, CA

Built 1958 ADT: 1,000

INTERSTATE 110

Over: COLDEN AVENUE

07-LA-110-15.22-LA, Los Angeles, CA

Built 1958 ADT: 3,200

I 110

Over: CENTURY BLVD

07-LA-110-14.97-LA, Los Angeles, CA

Built 1958 ADT: 43,000

INTERSTATE 110

Over: 104TH STREET

07-LA-110-14.72-LA, Los Angeles, CA

Built 1958 ADT: 2,500

INTERSTATE 110

Over: 108TH STREET

07-LA-110-14.47-LA, Los Angeles, CA

Built 1958 ADT: 7,200

ROUTE 10, E10-S405

Over: SAWTELLE BLVD

07-LA-010-R5.34-LA, Los Angeles, CA

Built 1963 ADT: 27,340

IMPERIAL HIGHWAY O

Over: ROUTE 110

07-LA-110-13.97-LA, Los Angeles, CA

Built 1989 ADT: 30,000

120TH STREET OC

Over: ROUTE 110

07-LA-110-13.47-LA, Los Angeles, CA

Built 1988 ADT: 260,000

KANAN ROAD

Over: ROUTE 101

07-LA-101-35.04-AGRH, Los Angeles, CA

Built 1964 ADT: 185,000

FIGUEROA STREET

Over: I 110

07-LA-110-13.20-LA, Los Angeles, CA

Built 1988 ADT: 260,000

EL SEGUNDO BLVD

Over: INTERSTATE 110

07-LA-110-12.90, Los Angeles, CA

Built 1993 ADT: 260,000

135TH STREET

Over: INTERSTATE 110

07-LA-110-12.39-LA, Los Angeles, CA

Built 1993 ADT: 253,000

149TH ST

Over: INTERSTATE 110

07-LA-110-11.52-LA, Los Angeles, CA

Built 1995 ADT: 253,000

UP RR

Over: INTERSTATE 110

07-LA-110-11.49-LA, Los Angeles, CA

Built 1995 ADT: 253,000

INTERSTATE 110

Over: REDONDO BEACH BLVD

07-LA-110-11.24-LA, Los Angeles, CA

Built 1960 ADT: 46,240

INTERSTATE 110

Over: ALONDRA BLVD

07-LA-110-10.74-LA, Los Angeles, CA

Built 1960 ADT: 12,800

INTERSTATE 110

Over: GARDENA BLVD

07-LA-110-10.49-LA, Los Angeles, CA

Built 1960 ADT: 11,200

INTERSTATE 110

Over: 168TH STREET

07-LA-110-10.32-LA, Los Angeles, CA

Built 1960 ADT: 6,670

I 110

Over: SR 91

07-LA-110-9.85-LA, Los Angeles, CA

Built 1960 ADT: 200,000

ROUTE 110

Over: 182ND STREET

07-LA-110-9.66-LA, Los Angeles, CA

Built 1960 ADT: 10,720

INTERSTATE 110

Over: 190TH STREET

07-LA-110-9.07-LA, Los Angeles, CA

Built 1960 ADT: 37,890

91&S110-N&S405 CON

Over: 190TH STREET

07-LA-110-9.07-LA, Los Angeles, CA

Built 1985 ADT: 37,890

INTERSTATE 110

Over: DEL AMO BLVD

07-LA-110-8.03-LA, Los Angeles, CA

Built 1962 ADT: 6,220

RTE 110

Over: TORRANCE BLVD

07-LA-110-7.74-LA, Los Angeles, CA

Built 1962 ADT: 34,100

CARSON STREET

Over: I-110

07-LA-110-7.02-LA, Los Angeles, CA

Built 1962 ADT: 199,500

223RD STREET

Over: INTERSTATE 110

07-LA-110-6.52-LA, Los Angeles, CA

Built 1962 ADT: 199,500

228TH ST OC

Over: ROUTE 110

07-LA-110-6.14-LA, Los Angeles, CA

Built 1962 ADT: 199,500

INTERSTATE 110

Over: SEPULVEDA BLVD

07-LA-110-5.45-LA, Los Angeles, CA

Built 1962 ADT: 50,238

INTERSTATE 110

Over: LOMITA BLVD

07-LA-110-4.63-LA, Los Angeles, CA

Built 1962 ADT: 28,400

INTERSTATE 110

Over: SR 1 (PACIFIC COAST HWY)

07-LA-110-4.06-LA, Los Angeles, CA

Built 1956 ADT: 53,500

INTERSTATE 110

Over: L STREET

07-LA-110-3.75-LA, Los Angeles, CA

Built 1956 ADT: 5,500

ROUTE 110

Over: ANAHEIM STREET

07-LA-110-3.26-LA, Los Angeles, CA

Built 1956 ADT: 26,153

INTERSTATE 110

Over: S110-C ST & C ST-S110 RP

07-LA-110-2.77-LA, Los Angeles, CA

Built 1956 ADT: 9,000

SIERRA HWY OC

Over: ROUTE 14

07-LA-014-R52.17, Los Angeles, CA

Built 1965 ADT: 105,000

MOUNTAIN SPRNGS RD

Over: STATE ROUTE 14

07-LA-014-R53.80, Los Angeles, CA

Built 1965 ADT: 105,000

117TH STREET OC

Over: ROUTE 110

07-LA-110-13.72-LA, Los Angeles, CA

Built 1985 ADT: 260,000

PEDESTRIAN WALKWAY

Over: U.S. HIGHWAY 101

07-LA-101-33.99-AGRH, Los Angeles, CA

Built 1963 ADT: 185,000

RAMP/CONNECTOR 14

Over: SIERRA HWY

07-LA-014-R54.50, Los Angeles, CA

Built 1965 ADT: 105,000

STATE ROUTE 14

Over: VINCENT RAMP UC

07-LA-014-R54.55, Los Angeles, CA

Built 1965 ADT: 11,700

INTERSTATE 710

Over: ATLANTIC BLVD

07-LA-710-21.92-BELL, Los Angeles, CA

Built 1957 ADT: 18,900

FLOWER ST & LRT

Over: INTERSTATE 110

07-LA-110-20.76-LA, Los Angeles, CA

Built 1956 ADT: 244,600

W10 BUSWAY

Over: BALDWIN AVE

07-LA-010S-27.96-EMTE, Los Angeles, CA

Built 1956 ADT: 16,300

Read our methodology — how this data is sourced, computed, and verified.

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

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026