Total Bridges
27,040
Public highway bridges in California
State profile · Below median Poor share
California bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in California, based on the FHWA National Bridge Inventory.
- 27,040
- Public bridges
- 32.5%
- Good condition
- 4.6%
- Poor condition
Data updated May 2026
Good Condition
32.5%
8,777 bridges rated 7-9
-17.5pp vs 50% benchmark
Poor Condition
4.6%
1,244 bridges whose lowest applicable component is rated 0-4
-2.4pp vs national avg 7.0%
California vs national bridge condition
California - Good condition share 32.5%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
California - Poor-condition share 15.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Counties (58)
Alameda 800 Alpine 32 Amador 62 Butte 441 Calaveras 106 Colusa 211 Contra Costa 686 Del Norte 96 El Dorado 196 Fresno 929 Glenn 242 Humboldt 398 Imperial 448 Inyo 67 Kern 686 Kings 168 Lake 129 Lassen 108 Los Angeles 3937 Madera 250 Marin 217 Mariposa 109 Mendocino 357 Merced 532 Modoc 87 Mono 49 Monterey 390 Napa 160 Nevada 135 Orange 1224 Placer 347 Plumas 170 Riverside 1142 Sacramento 775 San Benito 76 San Bernardino 1465 San Diego 1707 San Francisco 170 San Joaquin 666 San Luis Obispo 408 San Mateo 393 Santa Barbara 429 Santa Clara 1041 Santa Cruz 203 Shasta 500 Sierra 65 Siskiyou 423 Solano 383 Sonoma 613 Stanislaus 390 Sutter 120 Tehama 452 Trinity 194 Tulare 599 Tuolumne 128 Ventura 511 Yolo 282 Yuba 136
California vs nearby ranks
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below California on the same metric.
OH
Ohio
4.54% top marginal rate
NJ
New Jersey
4.59% top marginal rate
CA
California
4.60% top marginal rate
AR
Arkansas
4.71% top marginal rate
WA
Washington
4.81% top marginal rate
Bridges Needing Most Attention in California
Six lowest-condition bridges in California, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
SPRING CREEK RD
PoorOver: FALL RIVER
0.5 MI N OF MCARTHUR RD, Shasta, CA
Built 1950 Load: 2.7 t ADT: 50
ORESTIMBA ROAD
PoorOver: CCID MAIN CANAL
0.1 MI E DRAPER RD, Stanislaus, CA
Built 1919 Load: 2.9 t ADT: 684
CLARK STREET
PoorOver: M.I.D. CANAL
0.1 MI WEST OF ROAD 26.0, Madera, CA
Built 1955 Load: 3.2 t ADT: 200
GULLING STREET
PoorOver: MIDDLE FORK FEATHER RIV
0.2 MI S SH 70, Plumas, CA
Built 1954 Load: 3.2 t ADT: 10,046
AVENUE 10
PoorOver: COTTONWOOD CREEK
JUST E/O ROAD 23, Madera, CA
Built 1950 Load: 3.6 t ADT: 50
S BISHOP AVE
PoorOver: CRESCENT DITCH
0.64 MI S/O MT WHITNEY AV, Fresno, CA
Built 1950 Load: 3.9 t ADT: 125
All Bridges in California
STATE ROUTE 91
UnknownOver: NORWALK BLVD
07-LA-091-R18.67-CRTS, Los Angeles, CA
Built 1968 ADT: 29,500
STATE ROUTE 91
UnknownOver: PIONEER BLVD
07-LA-091-R18.09-ART, Los Angeles, CA
Built 1968 ADT: 29,400
U.S. HIGHWAY 101
UnknownOver: ROUTE 170
07-LA-101-11.75R-LA, Los Angeles, CA
Built 1959 ADT: 4,391
US HIGHWAY 101 SB
UnknownOver: TUJUNGA AVE
07-LA-101-11.83L-LA, Los Angeles, CA
Built 1959 ADT: 7,500
RTE 134
UnknownOver: ROUTES 101 & 170, RNERSD
07-LA-101-11.63L-LA, Los Angeles, CA
Built 1959 ADT: 160,000
ROUTE 170
UnknownOver: RIVERSIDE-TUJUNGA
07-LA-170-R14.78-LA, Los Angeles, CA
Built 1962 ADT: 8,600
W134-N101 CONNECTR
UnknownOver: RIVERSIDE DR
07-LA-134-0.04-LA, Los Angeles, CA
Built 1962 ADT: 14,000
STATE STREET
UnknownOver: ROUTE 5
07-LA-005-18.25-LA, Los Angeles, CA
Built 1959 ADT: 226,000
U.S. HIGHWAY 101
UnknownOver: COLDWATER CANYON AVE
07-LA-101-13.88-LA, Los Angeles, CA
Built 1959 ADT: 8,500
U.S. HIGHWAY 101
UnknownOver: WOODMAN AVE
07-LA-101-14.89-LA, Los Angeles, CA
Built 1959 ADT: 24,000
WHITTIER BLVD
UnknownOver: ROUTE 5 SB
07-LA-005-17.07-LA, Los Angeles, CA
Built 1960 ADT: 235,620
WHITTIER BLVD
UnknownOver: ROUTE 5 NB & E10-N5 CONN
07-LA-005-17.07-LA, Los Angeles, CA
Built 1960 ADT: 235,620
WHITTIER BL-N101
UnknownOver: ROUTE 5 SB
07-LA-101-S0.22-LA, Los Angeles, CA
Built 1960 ADT: 140,000
7TH STREET
UnknownOver: INTERSTATE 5 NB
07-LA-005-16.90-LA, Los Angeles, CA
Built 1960 ADT: 235,620
E10-N5 CONNECTOR
UnknownOver: 5, 101, CONNS, 7TH
07-LA-010-18.33-LA, Los Angeles, CA
Built 1960 ADT: 2,000
U.S. HIGHWAY 101
UnknownOver: LOS ANGELES RI,HAZELTINE
07-LA-101-15.38-LA, Los Angeles, CA
Built 1959 ADT: 7,500
NORTH BROADWAY
UnknownOver: ROUTE 5
07-LA-005-19.73-LA, Los Angeles, CA
Built 1960 ADT: 238,000
HUMBOLDT ST
UnknownOver: I 5 & CONN RAMPS
07-LA-005-20.12-LA, Los Angeles, CA
Built 1962 ADT: 225,000
U.S. HIGHWAY 101
UnknownOver: VAN NUYS BLVD
07-LA-101-15.91-LA, Los Angeles, CA
Built 1959 ADT: 26,000
PASADENA AVE
UnknownOver: ROUTE 5 & N5-N110 CONN
07-LA-005-19.86-LA, Los Angeles, CA
Built 1960 ADT: 238,000
S5&S101-E60 CONNEC
UnknownOver: W60-W10, SOTO ST, & RAMP
07-LA-005-16.59-LA, Los Angeles, CA
Built 1960 ADT: 42,000
EUCLID AVE ON-RAMP
UnknownOver: NB I 5 & CONM TO WB 60
07-LA-005-16.13-LA, Los Angeles, CA
Built 1960 ADT: 39,000
EUCLID AVE OFF-RAM
UnknownOver: SB INTERSTATE 5
07-LA-005-16.14-LA, Los Angeles, CA
Built 1960 ADT: 1,300
INTERSTATE 5 NB
UnknownOver: SOTO STREET
07-LA-005-16.59-LA, Los Angeles, CA
Built 1960 ADT: 34,800
INTERSTATE 5 SB
UnknownOver: ST RTE 60 WB, RAMPS,SOTO
07-LA-005-16.59-LA, Los Angeles, CA
Built 1960 ADT: 4,550
ST RTE 60 EB
UnknownOver: I-5, CONN, RAMP
07-LA-060-R0.63-LA, Los Angeles, CA
Built 1965 ADT: 250,000
E60-S5 CONNECTOR
UnknownOver: MARIETTA STREET
07-LA-060-R0.69-LA, Los Angeles, CA
Built 1960 ADT: 2,260
NB5-SOTO ST OFFRMP
UnknownOver: ST RTE 60 WB, WB60-NB101
07-LA-005-16.37-LA, Los Angeles, CA
Built 1960 ADT: 189,000
BOYLE AVE
UnknownOver: ROUTE 60 WB
07-LA-060-0.28-LA, Los Angeles, CA
Built 1960 ADT: 91,700
W60-N5 CONNECTOR
UnknownOver: SOTO ST OFF/ON RAMPS
07-LA-060-R0.60-LA, Los Angeles, CA
Built 1966 ADT: 11,300
ROUTE I-5 N/B
UnknownOver: W60, W60-N101 CON, RAMP
07-LA-005-16.36-LA, Los Angeles, CA
Built 1960 ADT: 50,100
MARIETTA ST
UnknownOver: ST RTE 60 WB & CONNS
07-LA-060-R0.73-LA, Los Angeles, CA
Built 1960 ADT: 189,000
PASADENA AV-N5 ON
UnknownOver: N5-N110 CONNECTOR RAMP
07-LA-005-20.00-LA, Los Angeles, CA
Built 1959 ADT: 12,400
METROLINK RAILROAD
UnknownOver: METROLINK
07-LA-005-20.26-LA, Los Angeles, CA
Built 1962 ADT: 20,000
L.A. TIMES SPUR UP
UnknownOver: W60-W10 CONN
07-LA-060-0.15-LA, Los Angeles, CA
Built 1960 ADT: 91,700
INTERSTATE 405
UnknownOver: ROSCOE BLVD
07-LA-405-43.76-LA, Los Angeles, CA
Built 1963 ADT: 6,500
INTERSTATE 5
UnknownOver: N BROADWAY OFF-RAMP
07-LA-005-19.50-LA, Los Angeles, CA
Built 1960 ADT: 3,300
OAK GLEN PL OC
UnknownOver: ROUTE 2
07-LA-002-14.46-LA, Los Angeles, CA
Built 1962 ADT: 61,500
UP RR
UnknownOver: INTERSTATE 605
07-LA-605-R14.08-PRV, Los Angeles, CA
Built 1964 ADT: 251,000
STATE RTE 14
UnknownOver: STATE RTE 138
07-LA-014-R59.78-PMDL, Los Angeles, CA
Built 1966 ADT: 33,250
N405-S710 CONN OC
UnknownOver: S405-S710 CONNECTOR RAMP
07-LA-405-7.55-LBCH, Los Angeles, CA
Built 1961 ADT: 15,000
S405-N710/710 SEP
UnknownOver: ROUTE 710 & CONNECTORS
07-LA-405-7.66-LBCH, Los Angeles, CA
Built 1961 ADT: 18,300
INTERSTATE 5
UnknownOver: SR 110 CON,ST,UP RR,RIV
07-LA-005-20.31-LA, Los Angeles, CA
Built 1962 ADT: 183,000
PEDESTRIAN WALKWAY
UnknownOver: INTERSTATE 5
07-LA-005-19.43-LA, Los Angeles, CA
Built 1960 ADT: 238,680
STUDEBAKER RD
UnknownOver: ROUTE 22
07-LA-022-1.14-LBCH, Los Angeles, CA
Built 1959 ADT: 102,000
183RD ST
UnknownOver: STATE ROUTE 91
07-LA-091-R20.16-CRTS, Los Angeles, CA
Built 1969 ADT: 296,000
CARMENITA ROAD
UnknownOver: STATE ROUTE 91
07-LA-091-R20.45-CRTS, Los Angeles, CA
Built 1969 ADT: 296,000
BLOOMFIELD AVE
UnknownOver: STATE ROUTE 91
07-LA-091-R19.17-CRTS, Los Angeles, CA
Built 1968 ADT: 296,000
ARTESIA BLVD
UnknownOver: STATE ROUTE 91
07-LA-091-R19.43-CRTS, Los Angeles, CA
Built 1968 ADT: 255,000
LAS VIRGENES RD
UnknownOver: ROUTE 101
07-LA-101-31.05, Los Angeles, CA
Built 1962 ADT: 196,000
Showing 1,901-1,950 of 27,040 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
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.