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)

STATE ROUTE 91

Unknown

Over: ORANGETHORPE AVE

12-ORA-091-R0.54-LPMA, Orange, CA

Built 1969 ADT: 30,000

MAIN STREET

Unknown

Over: STATE ROUTE 55

12-ORA-055-10.54-TUS, Orange, CA

Built 1962 ADT: 42,200

N55-W91 CONNECTOR

Unknown

Over: SR 55 & 55-91 FAST-TRACK

12-ORA-055-R17.67-ANA, Orange, CA

Built 1961 ADT: 228,000

ROUTE 55

Unknown

Over: KATELLA AVE

12-ORA-055-15.24-ORA, Orange, CA

Built 1961 ADT: 40,300

STATE ROUTE 55

Unknown

Over: TAFT AVENUE

12-ORA-055-15.75-ORA, Orange, CA

Built 1961 ADT: 8,400

STATE ROUTE 55

Unknown

Over: LINCOLN AVE

12-ORA-055-16.98-ORA, Orange, CA

Built 1961 ADT: 20,300

N55-W91 CONNECTOR

Unknown

Over: STATE ROUTE 91

12-ORA-055-R17.76-ANA, Orange, CA

Built 1962 ADT: 216,000

STATE ROUTE 55

Unknown

Over: N55-W22 CONNECTOR RAMP

12-ORA-055-12.93-TUS, Orange, CA

Built 1962 ADT: 34,875

STATE ROUTE 57

Unknown

Over: UP RR & DOUGLASS RD

12-ORA-057-12.98-ANA, Orange, CA

Built 1974 ADT: 3,000

STATE ROUTE 22

Unknown

Over: UP RR & HOOVER STREET

12-ORA-022-R3.20-WTM, Orange, CA

Built 1964 ADT: 9,000

STATE ROUTE 22

Unknown

Over: THE CITY DRIVE

12-ORA-022-R9.73-ORA, Orange, CA

Built 1963 ADT: 20,000

STATE ROUTE 22

Unknown

Over: BRISTOL STREET

12-ORA-022-R10.01-SA, Orange, CA

Built 1963 ADT: 17,000

S5&S57-W22 CONN

Unknown

Over: S57-BRISTOL ST OFF-RAMP

12-ORA-005-34.38-SA, Orange, CA

Built 1963 ADT: 8,600

LAKEVIEW AVE

Unknown

Over: IMPERIAL HIGHWAY

12-ORA-090-8.08-YBLN, Orange, CA

Built 1962 ADT: 49,700

STATE ROUTE 22

Unknown

Over: NEWLAND STREET

12-ORA-022-R4.22-GGR, Orange, CA

Built 1964 ADT: 8,000

N5-N57 CONNECTOR

Unknown

Over: W22-N5 CONNECTOR

12-ORA-005-34.40-ORA, Orange, CA

Built 1976 ADT: 24,567

BEDFORD ROAD

Unknown

Over: STATE ROUTE 22

12-ORA-022-R10.87-SA, Orange, CA

Built 1963 ADT: 150,000

STATE ROUTE 22

Unknown

Over: N5-W22 CONNECTOR RAMP

12-ORA-022-R10.59-ORA, Orange, CA

Built 1963 ADT: 16,200

MAIN ST

Unknown

Over: STATE ROUTE 22

12-ORA-022-R10.99-SA, Orange, CA

Built 1963 ADT: 150,000

STATE ROUTE 22

Unknown

Over: KNOTT AVE

12-ORA-022-R2.69-GGR, Orange, CA

Built 1966 ADT: 27,000

STATE ROUTE 22

Unknown

Over: GARDEN GROVE BLVD

12-ORA-022-R2.74-GGR, Orange, CA

Built 1966 ADT: 25,000

STATE ROUTE 22

Unknown

Over: SR 39 (BEACH BLVD)

12-ORA-022-R3.57-WTM, Orange, CA

Built 1964 ADT: 90,000

STATE ROUTE 22

Unknown

Over: YOCKEY STREET

12-ORA-022-R4.53-GGR, Orange, CA

Built 1965 ADT: 5,000

STATE ROUTE 22

Unknown

Over: TRASK AVE

12-ORA-022-R4.62-GGR, Orange, CA

Built 1965 ADT: 15,000

STATE ROUTE 22

Unknown

Over: TAFT STREET

12-ORA-022-R6.57-GGR, Orange, CA

Built 1965 ADT: 7,000

STATE ROUTE 22

Unknown

Over: NEWHOPE STREET

12-ORA-022-R7.31-GGR, Orange, CA

Built 1965 ADT: 12,000

STATE ROUTE 22

Unknown

Over: TRASK AVE

12-ORA-022-R7.68-GGR, Orange, CA

Built 1965 ADT: 15,000

STATE ROUTE 22

Unknown

Over: GARDEN GROVE BLVD

12-ORA-022-R8.82-GGR, Orange, CA

Built 1965 ADT: 28,000

STATE ROUTE 22

Unknown

Over: PARKER STREET

12-ORA-022-R11.42-ORA, Orange, CA

Built 1967 ADT: 3,500

STATE ROUTE 22

Unknown

Over: GLASSELL STREET

12-ORA-022-R11.84-ORA, Orange, CA

Built 1967 ADT: 11,000

CAMBRIDGE STREET

Unknown

Over: STATE ROUTE 22

12-ORA-022-R12.36-SA, Orange, CA

Built 1967 ADT: 150,000

TUSTIN AVE

Unknown

Over: STATE ROUTE 22

12-ORA-022-R12.87-ORA, Orange, CA

Built 1967 ADT: 150,000

STATE ROUTE 22 EB

Unknown

Over: TUSTIN AVENUE

12-ORA-022-R12.85-ORA, Orange, CA

Built 1967 ADT: 11,000

STATE ROUTE 55

Unknown

Over: EDINGER AVE

12-ORA-055-R9.44-SA, Orange, CA

Built 1964 ADT: 38,484

WARNER AVE

Unknown

Over: STATE ROUTE 55

12-ORA-055-R8.50-SA, Orange, CA

Built 1988 ADT: 288,600

SPRINGDALE ST

Unknown

Over: STATE ROUTE 22

12-ORA-022-R1.93-WTM, Orange, CA

Built 1966 ADT: 30,000

STATE ROUTE 57

Unknown

Over: BNSF RY,AMTRAK,METROLINK

12-ORA-057-12.27-ANA, Orange, CA

Built 1976 ADT: 3,000

STATE ROUTE 57

Unknown

Over: KATELLA AVE

12-ORA-057-12.54-ANA, Orange, CA

Built 1974 ADT: 20,000

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 91

12-ORA-091-R1.32-BPK, Orange, CA

Built 1969 ADT: 265,000

KRAEMER BLVD

Unknown

Over: STATE ROUTE 91

12-ORA-091-7.37-ANA, Orange, CA

Built 1964 ADT: 213,000

INTERSTATE 605

Unknown

Over: KATELLA AVE

12-ORA-605-R1.41-LALM, Orange, CA

Built 1966 ADT: 15,000

S605-KATELLA OFF R

Unknown

Over: KATELLA AVE

12-ORA-605-R1.41-LALM, Orange, CA

Built 1966 ADT: 15,000

N605-KATELLA OFF R

Unknown

Over: KATELLA AVE

12-ORA-605-R1.41-LALM, Orange, CA

Built 1966 ADT: 15,000

STATE ROUTE 55

Unknown

Over: DYER RD

12-ORA-055-R7.87-SA, Orange, CA

Built 1966 ADT: 38,506

STATE ROUTE 55

Unknown

Over: MACARTHUR BLVD

12-ORA-055-R6.99-SA, Orange, CA

Built 1966 ADT: 20,000

INTERSTATE 605 SB

Unknown

Over: INTERSTATE 405

12-ORA-605-3.48-SLB, Orange, CA

Built 1966 ADT: 255,000

S405-N605 CONN

Unknown

Over: RTE 405, 605, CONN, RIV

12-ORA-405-24.11-SLB, Orange, CA

Built 1966 ADT: 11,656

TUSTIN AVE

Unknown

Over: STATE ROUTE 91

12-ORA-091-8.39-ANA, Orange, CA

Built 1967 ADT: 213,000

INTERSTATE 605

Unknown

Over: E22-N405 CONNECTOR RAMP

12-ORA-605-R0.16-LALM, Orange, CA

Built 1966 ADT: 12,000

STATE ROUTE 55

Unknown

Over: MAIN STREET

12-ORA-055-R6.39-SA, Orange, CA

Built 1966 ADT: 15,000
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.