Orange County, CA
1,224 public highway bridges
Orange County Bridge Snapshot
Orange County, California contains 1,224 public highway bridges in the FHWA National Bridge Inventory. Roughly 35.3% are rated “Good,” 21.2% “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.
Condition Distribution
All Bridges (1,224)
E. LAMBERT ON-RAMP
UnknownOver: LAMBERT RD
12-ORA-057-20.88-BRE, Orange, CA
STATE ROUTE 91 EB
UnknownOver: 91-55 FAST TRACK
12-ORA-091-R9.19-ANA, Orange, CA
STATE ROUTE 91 EB
UnknownOver: UP RR,I 5 SB,S5-MAGNOLIA
12-ORA-091-R3.58R-FUL, Orange, CA
E91-S5 CONN
UnknownOver: UP RR,S5-MAGNOLIA AV OFF
12-ORA-091-R3.61R-FUL, Orange, CA
ROUTE 57
UnknownOver: TONNER CANYON RD
12-ORA-057-21.78, Orange, CA
STATE ROUTE 91 WB
UnknownOver: WEIR CANYON RD
12-ORA-091-R14.43L, Orange, CA
STATE ROUTE 91 EB
UnknownOver: WEIR CANYON RD
12-ORA-091-R14.43R, Orange, CA
STATE ROUTE 91
UnknownOver: GYPSUM CANYON RD
12-ORA-091-R16.40-ANA, Orange, CA
STATE ROUTE 91 WB
UnknownOver: COAL CANYON RD
12-ORA-091-R17.95L, Orange, CA
STATE ROUTE 91 EB
UnknownOver: COAL CANYON RD
12-ORA-091-R17.95R, Orange, CA
IRVINE CENTER DR
UnknownOver: STATE ROUTE 133
12-ORA-133-M9.23-IRVN, Orange, CA
OSO PARKWAY
UnknownOver: INTERSTATE 5
12-ORA-005-15.22-MSNV, Orange, CA
INTERSTATE 5
UnknownOver: STATE ROUTE 1
12-ORA-005-6.76-SJCP, Orange, CA
STATE ROUTE 1
UnknownOver: N5-N1 CONNECTOR RAMP
12-ORA-001-R0.20-DAPT, Orange, CA
PEDESTRIAN WALKWAY
UnknownOver: INTERSTATE 5
12-ORA-005-0.49-SCLE, Orange, CA
WAGNER AVE
UnknownOver: STATE ROUTE 57
12-ORA-057-13.92-ANA, Orange, CA
SOUTH STREET
UnknownOver: STATE ROUTE 57
12-ORA-057-14.42-ANA, Orange, CA
SR 55
UnknownOver: BRISTOL STREET
12-ORA-055-R4.58-CMS, Orange, CA
S73-S55 CONNECTOR
UnknownOver: BRISTOL STREET
12-ORA-073-R26.59-CMS, Orange, CA
BALL RD
UnknownOver: STATE ROUTE 57
12-ORA-057-13.42-ANA, Orange, CA
LINCOLN AVE
UnknownOver: STATE ROUTE 57
12-ORA-057-14.78-ANA, Orange, CA
SR 73 SB
UnknownOver: BAKER STREET
12-ORA-073-R27.14-CMS, Orange, CA
SR 73 NB
UnknownOver: BAKER STREET
12-ORA-073-R27.14-CMS, Orange, CA
SR 73 SB
UnknownOver: BEAR STREET
12-ORA-073-R27.28-CMS, Orange, CA
SR 73 NB
UnknownOver: BEAR STREET
12-ORA-073-R27.28-CMS, Orange, CA
JAMBOREE ROAD
UnknownOver: STATE ROUTE 73
12-ORA-073-24.78-NPTB, Orange, CA
CAMPUS DRIVE
UnknownOver: STATE ROUTE 73
12-ORA-073-R25.58-NPTB, Orange, CA
NORTH BRISTOL ST
UnknownOver: STATE ROUTE 73
12-ORA-073-R25.91-CMS, Orange, CA
RED HILL AVE
UnknownOver: STATE ROUTE 73
12-ORA-073-R26.08-CMS, Orange, CA
N55-N73 CONNECTOR
UnknownOver: SR 73 & SR 55, & CONNS
12-ORA-055-R4.71-CMS, Orange, CA
S55-S73 CONNECTOR
UnknownOver: SR 73 & SR 55, & CONNS
12-ORA-055-R4.74-CMS, Orange, CA
SR 73 SB
UnknownOver: STATE ROUTE 55
12-ORA-073-R26.56-CMS, Orange, CA
SR 73 NB
UnknownOver: STATE ROUTE 55
12-ORA-073-R26.56-CMS, Orange, CA
SR 73 SB
UnknownOver: BRISTOL STREET
12-ORA-073-R26.77-CMS, Orange, CA
SR 73 NB
UnknownOver: BRISTOL STREET
12-ORA-073-R26.78-CMS, Orange, CA
N73-N55 CONNECTOR
UnknownOver: N55-BAKER ST OFF-RAMP
12-ORA-073-R26.55-CMS, Orange, CA
LAKE FOREST DR
UnknownOver: INTERSTATE 5
12-ORA-005-19.89-LKFR, Orange, CA
ALICIA PARKWAY
UnknownOver: INTERSTATE 5
12-ORA-005-17.47-LGNH, Orange, CA
BAY STREET
UnknownOver: STATE ROUTE 55
12-ORA-055-T2.40-CMS, Orange, CA
22ND STREET
UnknownOver: STATE ROUTE 55
12-ORA-055-R2.77-CMS, Orange, CA
FAIRVIEW ROAD
UnknownOver: STATE ROUTE 55
12-ORA-055-R2.83-CMS, Orange, CA
WILSON ST
UnknownOver: STATE ROUTE 55
12-ORA-055-R3.20-CMS, Orange, CA
DEL MAR AVE
UnknownOver: STATE ROUTE 55
12-ORA-055-R3.78-CMS, Orange, CA
MESA DRIVE
UnknownOver: STATE ROUTE 55
12-ORA-055-R4.02-CMS, Orange, CA
AVENIDA VISTA HERM
UnknownOver: INTERSTATE 5
12-ORA-005-4.08-SCLE, Orange, CA
AVENIDA VISTA HERM
UnknownOver: INTERSTATE 5
12-ORA-005-4.10-SCLE, Orange, CA
VON KARMAN AVE
UnknownOver: INTERSTATE 405
12-ORA-405-7.40-IRVN, Orange, CA
BROADWAY
UnknownOver: INTERSTATE 5
12-ORA-005-33.31-SA, Orange, CA
S1-N5 CONNECTOR
UnknownOver: SR 1 CAMINO LAS RAMBLAS
12-ORA-001-R0.13-SJCP, Orange, CA
ALTON PARKWAY
UnknownOver: INTERSTATE 5
12-ORA-005-22.21-IRVN, Orange, CA
Read our methodology — how this data is sourced, computed, and verified.
Related
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |