Orange County, CA

1,224 public highway bridges

Orange County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Orange County, California contains 1,224 public highway bridges. Roughly 35.3% are rated “Good,” 21.2% “Fair,” and 2.2% “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.

1,224
Total Bridges
35.3%
Good
21.2%
Fair
2.2%
Poor Condition

Condition Distribution

Good
35.3% (432)
Fair
21.2% (260)
Poor
2.2% (27)

All Bridges (1,224)

INTERSTATE 5

Unknown

Over: BNSF RY,AMTRAK,METROLINK

12-ORA-005-R23.58-IRVN, Orange, CA

Built 1992 ADT: 11,000

BNSF,AMTRAK,METRO

Unknown

Over: S1-COAST HIGHWAY OFFRAMP

12-ORA-001-R0.80-DAPT, Orange, CA

Built 1927 ADT: 8,000

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 1

12-ORA-001-6.56-LGNB, Orange, CA

Built 1929 ADT: 36,000

AVENIDA SAN LUIS R

Unknown

Over: INTERSTATE 5

12-ORA-005-0.65-SCLE, Orange, CA

Built 1981 ADT: 147,100

STATE ROUTE 57

Unknown

Over: CHAPMAN AVE

12-ORA-057-11.24-ORA, Orange, CA

Built 1976 ADT: 20,000

ROUTE 5

Unknown

Over: ROUTE 55

12-ORA-005-30.26-TUS, Orange, CA

Built 1955 ADT: 299,000

INTERSTATE 5

Unknown

Over: RED HILL AVE

12-ORA-005-R29.10-TUS, Orange, CA

Built 1992 ADT: 25,000

METROLINK/ BNSF RY

Unknown

Over: STATE ROUTE 91

12-ORA-091-8.19-ANA, Orange, CA

Built 1967 ADT: 213,000

INTERSTATE 5

Unknown

Over: CULVER DR

12-ORA-005-R26.59-IRVN, Orange, CA

Built 1979 ADT: 44,000

INTERSTATE 5

Unknown

Over: SAND CANYON AVE

12-ORA-005-R23.94-IRVN, Orange, CA

Built 1992 ADT: 37,000

INTERSTATE 5

Unknown

Over: EL CAMINO REAL

12-ORA-005-1.63-SCLE, Orange, CA

Built 1958 ADT: 18,000

INTERSTATE 5

Unknown

Over: AVENIDA PRESIDIO

12-ORA-005-2.31-SCLE, Orange, CA

Built 1960 ADT: 5,000

INTERSTATE 5

Unknown

Over: AVENIDA PALIZADA

12-ORA-005-2.66-SCLE, Orange, CA

Built 1960 ADT: 5,000

JEFFREY ROAD

Unknown

Over: INTERSTATE 5

12-ORA-005-R24.99-IRVN, Orange, CA

Built 1990 ADT: 271,300

STATE ROUTE 91

Unknown

Over: ACACIA STREET

12-ORA-091-4.76-ANA, Orange, CA

Built 1959 ADT: 10,000

CAMINO DE ESTRELLA

Unknown

Over: INTERSTATE 5

12-ORA-005-5.80-DAPT, Orange, CA

Built 1981 ADT: 205,600

VIA CALIFORNIA

Unknown

Over: ROUTE 5

12-ORA-005-6.62-DAPT, Orange, CA

Built 1960 ADT: 267,000

INTERSTATE 5

Unknown

Over: N5-N1 CONNECTOR

12-ORA-005-6.69, Orange, CA

Built 1960 ADT: 14,900

INTERSTATE 5

Unknown

Over: CAMINO CAPISTRANO ONRAMP

12-ORA-005-7.34-SJCP, Orange, CA

Built 1960 ADT: 17,071

INTERSTATE 5

Unknown

Over: EL HORNO STREET

12-ORA-005-10.00-SJCP, Orange, CA

Built 1958 ADT: 3,000

INTERSTATE 5

Unknown

Over: JUNIPERO SERRA RD

12-ORA-005-10.91-SJCP, Orange, CA

Built 1958 ADT: 15,000

INTERSTATE 5

Unknown

Over: AVERY PARKWAY

12-ORA-005-12.94-MSNV, Orange, CA

Built 1959 ADT: 10,000

INTERSTATE 5

Unknown

Over: LA PAZ RD

12-ORA-005-16.53-LGNH, Orange, CA

Built 1959 ADT: 38,000

INTERSTATE 5

Unknown

Over: EL TORO ROAD

12-ORA-005-18.69-LGNH, Orange, CA

Built 1969 ADT: 54,000

STATE ROUTE 1

Unknown

Over: CAMINO CAPISTRANO

12-ORA-001-R0.40-DAPT, Orange, CA

Built 1960 ADT: 1,000

STATE ROUTE 91

Unknown

Over: EAST STREET

12-ORA-091-4.26-ANA, Orange, CA

Built 1959 ADT: 10,000

STATE ROUTE 133 SB

Unknown

Over: INTERSTATE 405 & RAMPS

12-ORA-133-8.34-IRVN, Orange, CA

Built 1968 ADT: 258,200

STATE ROUTE 133 NB

Unknown

Over: INTERSTATE 405 & RAMPS

12-ORA-133-8.34-IRVN, Orange, CA

Built 1968 ADT: 11,400

LAGUNA CANYON ROAD

Unknown

Over: I 405

12-ORA-405-2.20-IRVN, Orange, CA

Built 1968 ADT: 237,000

UNIVERSITY DR

Unknown

Over: INTERSTATE 405

12-ORA-405-3.95-IRVN, Orange, CA

Built 1968 ADT: 224,000

CULVER DR

Unknown

Over: I 405

12-ORA-405-5.62-IRVN, Orange, CA

Built 1968 ADT: 266,000

JAMBOREE BLVD

Unknown

Over: ROUTE 405

12-ORA-405-6.92-IRVN, Orange, CA

Built 1968 ADT: 266,000

STATE ROUTE 55

Unknown

Over: INTERSTATE 405

12-ORA-055-R5.99-CMS, Orange, CA

Built 1966 ADT: 186,000

INTERSTATE 405

Unknown

Over: HARBOR BLVD

12-ORA-405-11.45-CMS, Orange, CA

Built 1966 ADT: 12,700

INTERSTATE 405

Unknown

Over: SANTA ANA RVR/EUCLID ST

12-ORA-405-12.41-CMS, Orange, CA

Built 1966 ADT: 15,000

INTERSTATE 405

Unknown

Over: ROUTE 39

12-ORA-405-16.52-HNTB, Orange, CA

Built 1965 ADT: 77,000

STATE ROUTE 91

Unknown

Over: EUCLID STREET

12-ORA-091-2.23-ANA, Orange, CA

Built 1958 ADT: 25,000

STATE ROUTE 91

Unknown

Over: BROOKHURST STREET

12-ORA-091-1.23-ANA, Orange, CA

Built 1958 ADT: 30,000

STATE ROUTE 91

Unknown

Over: GILBERT STREET

12-ORA-091-0.72-FUL, Orange, CA

Built 1958 ADT: 15,000

STATE ROUTE 91 WB

Unknown

Over: UP RR, I 5, & CONNS

12-ORA-091-R3.56L-FUL, Orange, CA

Built 1970 ADT: 168,000

W91-N5 HOV CONN

Unknown

Over: MAGNOLIA AVE

12-ORA-091-R3.85L-FUL, Orange, CA

Built 1958 ADT: 30,000

STATE ROUTE 91 WB

Unknown

Over: MAGNOLIA AVE

12-ORA-091-R3.85L-FUL, Orange, CA

Built 1970 ADT: 30,000

STATE ROUTE 91 EB

Unknown

Over: MAGNOLIA AVE

12-ORA-091-R3.85R-FUL, Orange, CA

Built 1958 ADT: 30,000

INTERSTATE 5

Unknown

Over: SAN JUAN CREEK ROAD

12-ORA-005-8.80-SJCP, Orange, CA

Built 1958 ADT: 5,000

STATE ROUTE 91

Unknown

Over: WESTERN AVE

12-ORA-091-R2.35-BPK, Orange, CA

Built 1969 ADT: 20,000

STATE ROUTE 91

Unknown

Over: KNOTT AVE

12-ORA-091-R1.85-BPK, Orange, CA

Built 1969 ADT: 30,000

STATE ROUTE 91

Unknown

Over: STANTON AVE

12-ORA-091-R2.85-BPK, Orange, CA

Built 1970 ADT: 20,000

VALLEY VIEW ST

Unknown

Over: STATE ROUTE 91

12-ORA-091-R0.85-BPK, Orange, CA

Built 1969 ADT: 265,000

STATE ROUTE 91

Unknown

Over: ROUTE 39 (BEACH BLVD)

12-ORA-091-R2.61-BPK, Orange, CA

Built 1970 ADT: 51,000

STATE ROUTE 91

Unknown

Over: WALKER STREET

12-ORA-091-R0.28-LPMA, Orange, CA

Built 1969 ADT: 10,000
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.