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.
Condition Distribution
All Bridges (1,224)
HARVARD AVENUE
UnknownOver: INTERSTATE 405
12-ORA-405-6.20-IRVN, Orange, CA
LOS ALISOS BLVD
UnknownOver: INTERSTATE 5
12-ORA-005-17.94-LGNH, Orange, CA
BNSF,AMTRAK,METRO
UnknownOver: ST RTE 39 (BEACH BLVD)
12-ORA-039-16.04-BPK, Orange, CA
BIRCH ST
UnknownOver: STATE ROUTE 73
12-ORA-073-R25.46-NPTB, Orange, CA
MACARTHUR-N73 ONRA
UnknownOver: MACARTHUR BLVD
12-ORA-073-24.67-IRVN, Orange, CA
YALE AVENUE
UnknownOver: INTERSTATE 5
12-ORA-005-R25.80-IRVN, Orange, CA
PEDESTRIAN WALKWAY
UnknownOver: INTERSTATE 405
12-ORA-405-4.67-IRVN, Orange, CA
MCFADDEN STREET
UnknownOver: STATE ROUTE 55
12-ORA-055-R9.96-TUS, Orange, CA
S5-NEWPORT AV OFF
UnknownOver: N55-S5 CONNECTOR RAMP
12-ORA-005-30.17-TUS, Orange, CA
N55-N5 CONNECTOR
UnknownOver: ROUTE 5 & 55, & CONNS
12-ORA-055-10.37-TUS, Orange, CA
S55-S5 CONNECTOR
UnknownOver: ROUTE 5 & 55, CONNS
12-ORA-055-10.67-TUS, Orange, CA
N5-N55 CONNECTOR
UnknownOver: N55-4TH ST & IRVINE RD
12-ORA-005-30.32-TUS, Orange, CA
1ST ST
UnknownOver: INTERSTATE 5
12-ORA-005-30.90-SA, Orange, CA
1ST ST
UnknownOver: STATE ROUTE 55 & RAMPS
12-ORA-055-10.80-TUS, Orange, CA
4TH ST-S55 ON RAMP
UnknownOver: S55-N&S5 CONNECTORS
12-ORA-055-10.90-SA, Orange, CA
4TH ST
UnknownOver: INTERSTATE 5
12-ORA-005-31.09-SA, Orange, CA
FOURTH STREET
UnknownOver: STATE ROUTE 55
12-ORA-055-10.98-SA, Orange, CA
ALTON PARKWAY WB
UnknownOver: STATE ROUTE 133 & RAMP
12-ORA-133-8.75-IRVN, Orange, CA
ALTON PARKWAY EB
UnknownOver: STATE ROUTE 133 & RAMP
12-ORA-133-8.74-IRVN, Orange, CA
BARRANCA PKWAY
UnknownOver: STATE ROUTE 133
12-ORA-133-9.00-IRVN, Orange, CA
ROUTE 5
UnknownOver: JAMBOREE ROAD
12-ORA-005-27.59-IRVN, Orange, CA
TUSTIN RANCH ROAD
UnknownOver: INTERSTATE 5
12-ORA-005-28.25-TUS, Orange, CA
N133-N5 CONNECTOR
UnknownOver: INTERSTATE 5
12-ORA-133-M9.48-IRVN, Orange, CA
S5-4TH ST & MABURY
UnknownOver: S 5 (LANE #6)
12-ORA-005-31.10-TUS, Orange, CA
N5-1ST OFF-RAMP
UnknownOver: INTERSTATE 5
12-ORA-005-31.08-SA, Orange, CA
SANTA ISABEL AVE
UnknownOver: STATE ROUTE 55
12-ORA-055-R3.27-CMS, Orange, CA
BARRANCA PARKWAY
UnknownOver: INTERSTATE 5
12-ORA-005-22.80-IRVN, Orange, CA
AIRPORT N55 OC
UnknownOver: INTERSTATE 405
12-ORA-405-7.84-IRVN, Orange, CA
BALL ROAD
UnknownOver: INTERSTATE 5
12-ORA-005-37.64-ANA, Orange, CA
INTERSTATE 5 SB
UnknownOver: GRAND AVE
12-ORA-005-31.65-SA, Orange, CA
INTERSTATE 5 NB
UnknownOver: GRAND AVE
12-ORA-005-31.76-SA, Orange, CA
BNSF,AMTRAK,METRO
UnknownOver: INTERSTATE 5
12-ORA-005-32.04-SA, Orange, CA
INTERSTATE 5 SB
UnknownOver: 17TH STREET
12-ORA-005-32.46-SA, Orange, CA
INTERSTATE 5 NB
UnknownOver: 17TH STREET
12-ORA-005-32.46-SA, Orange, CA
17TH ST NB ON RA
UnknownOver: 17TH STREET
12-ORA-005-32.46-SA, Orange, CA
MAIN ST
UnknownOver: I 5, MAIN-N5 ON, N5 OFF
12-ORA-005-33.09-SA, Orange, CA
LINCOLN AVE
UnknownOver: INTERSTATE 5
12-ORA-005-32.05-SA, Orange, CA
BRISTOL ST-LA VETA
UnknownOver: I 5 & CONS TO SR 57 & 22
12-ORA-005-34.14-SA, Orange, CA
STATE ROUTE 22
UnknownOver: I-5 & CONNECTORS
12-ORA-022-R10.38-SA, Orange, CA
S57-W22 CONNECTOR
UnknownOver: I 5 & CONNECTOR RAMPS
12-ORA-057-10.82L-SA, Orange, CA
S5&S57-E22 CONNECT
UnknownOver: I 5 & CONNECTOR RAMPS
12-ORA-005-33.88-SA, Orange, CA
S57-S5 CONNECTOR
UnknownOver: I 5; 22-N55 CONN
12-ORA-057-10.78L-SA, Orange, CA
S57-E22 CONNECTOR
UnknownOver: I 5 & CONNECTOR RAMPS
12-ORA-057-10.80L-SA, Orange, CA
S5-MAIN ST OFF-RP
UnknownOver: INTERSTATE 5 SB
12-ORA-005-33.09-SA, Orange, CA
SANTA CLARA-N5 ON
UnknownOver: INTERSTATE 5
12-ORA-005-33.00-SA, Orange, CA
INTERSTATE 5
UnknownOver: STATE ROUTE 261
12-ORA-005-27.53-IRVN, Orange, CA
S5-S55&N55-N5 HOV
UnknownOver: I 5, SR 55, RAMPS & STS
12-ORA-055-R10.06-SA, Orange, CA
S5&S57-E22 CONN
UnknownOver: N5-W22 CONNECTOR RAMP
12-ORA-005-33.85-ORA, Orange, CA
5-57 HOV
UnknownOver: I 5 NB,I 5 NB HOV,22-N5
12-ORA-057-10.79R-SA, Orange, CA
ANTONIO PARKWAY
UnknownOver: STATE ROUTE 241
12-ORA-241-17.60-RSM, Orange, CA
Read our methodology - how this data is sourced, computed, and verified.
Related
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.