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 87
UnknownOver: INTERSTATE 880
04-SCL-087-7.51-SJS, Santa Clara, CA
Built 2003 ADT: 154,000
RTE 85-101 HOV CON
UnknownOver: U.S. HWY 101 SB & RAMP
04-SCL-085-R23.83-MVW, Santa Clara, CA
Built 2006 ADT: 87,500
N85-N101 CONNECTOR
UnknownOver: U.S. HIGHWAY 101, SB RMP
04-SCL-085-R23.81-MVW, Santa Clara, CA
Built 2005 ADT: 175,000
237-880 HOV LANES
UnknownOver: WB 237, SB 880 & RAMPS
04-SCL-237-R9.12L-MPS, Santa Clara, CA
Built 2005 ADT: 58,500
E&W237-S880 RAMP
UnknownOver: S880-TASMAN DR OFF RAMP
04-SCL-237-9.50-MPS, Santa Clara, CA
Built 2004 ADT: 4,700
101-85 HOV LANES
UnknownOver: SB US HIGHWAY 101
04-SCL-101-R26.70-SJS, Santa Clara, CA
Built 2004 ADT: 50,500
S85-N87 CONNECTOR
UnknownOver: SR 85, LTR, SANTA TERESA
04-SCL-085-5.20-SJS, Santa Clara, CA
Built 2003 ADT: 11,100
S101-N85 CONNECTOR
UnknownOver: 2 CITY STREETS & UPRR
04-SCL-101-R26.90-SJS, Santa Clara, CA
Built 2004 ADT: 1,160
COLEMAN AVENUE
UnknownOver: INTERSTATE 880
04-SCL-880-2.67-SJS, Santa Clara, CA
Built 2005 ADT: 165,000
STATE ROUTE 152 EB
UnknownOver: STATE ROUTE 156
04-SCL-152-R22.10, Santa Clara, CA
Built 2008 ADT: 12,650
MARY AV PEDESTRIAN
UnknownOver: INTERSTATE 280
04-SCL-280-10.30-CPO, Santa Clara, CA
Built 2009 ADT: 121,000
PEDESTRIAN WALKWAY
UnknownOver: U.S. HIGHWAY 101
04-SCL-101-45.00, Santa Clara, CA
Built 2009 ADT: 134,000
PEDESTRIAN-BICYCLE
UnknownOver: STATE ROUTE 237
04-SCL-237-R3.40, Santa Clara, CA
Built 2009 ADT: 68,000
PEDESTRIAN WALKWAY
UnknownOver: N85 OFF RAMP, MOFFETT BL
04-SCL-085-R23.40-MVW, Santa Clara, CA
Built 2009 ADT: 32,000
TULLY ROAD
UnknownOver: US HIGHWAY 101
04-SCL-101-33.03-SJS, Santa Clara, CA
Built 2012 ADT: 185,000
PERMANENTE TRAIL
UnknownOver: US HIGHWAY 101
04-SCL-101-49.20-MVW, Santa Clara, CA
Built 2012 ADT: 155,000
PEDESTRIAN WALKWAY
UnknownOver: STATE ROUTE 85
04-SCL-085-R21.10-MVW, Santa Clara, CA
Built 2012 ADT: 115,000
NB 280 TO NB 880
UnknownOver: NB I-280 & I-880 OFFRAMP
04-SCL-280-5.34, Santa Clara, CA
Built 2015 ADT: 6,000
PEDESTRIAN TRAFFIC
UnknownOver: U.S HIGHWAY 101
04-SCL-101-50.70-PA, Santa Clara, CA
Built 2021 ADT: 187,000
ALMA ST
UnknownOver: EMBARCADERO ROAD
ALMA ST, Santa Clara, CA
Built 1936 ADT: 23,000
ALMA ST
UnknownOver: UNIVERSITY AVE
AT UNIVERSITY AVE, Santa Clara, CA
Built 1940 ADT: 32,000
ALMADEN EXPWY
UnknownOver: CURTNER AVE
AT CURTNER AVE, Santa Clara, CA
Built 1960 ADT: 22,874
BELLA VISTA AVE
UnknownOver: SARATOGA LOS GATOS RD
AT SARATOGA AVE, Santa Clara, CA
Built 1957 ADT: 30,000
UP RR
UnknownOver: MERIDIAN AVENUE
AT I-280, Santa Clara, CA
Built 1972 ADT: 33,500
SOUTHWEST EXPWY
UnknownOver: MERIDIAN AVENUE
S/O I-280 INTCHNG, Santa Clara, CA
Built 1972 ADT: 33,500
SOUTHWEST EXPWY
UnknownOver: MERIDIAN AVENUE
S/O I-280 INTCHNG, Santa Clara, CA
Built 1972 ADT: 33,500
MATHILDA AVE
UnknownOver: CALTRAIN,UP RR,EVELYN AV
AT EVELYN AVE, Santa Clara, CA
Built 1965 ADT: 20,000
CALTRAIN,UP,AMTRAK
UnknownOver: BOWERS AVE
AT UP TRACKS, Santa Clara, CA
Built 1974 ADT: 28,000
PEDESTRIAN WALKWAY
UnknownOver: BOWERS AVE
AT BOWERS AVE, Santa Clara, CA
Built 1970 ADT: 28,000
ALMADEN EXPRESSWAY
UnknownOver: CAPITOL EXPRESSWAY
AT CAPITOL EXPWY, Santa Clara, CA
Built 1974 ADT: 33,192
CALTRAIN,UP,AMTRAK
UnknownOver: LAFAYETTE STREET
AT UP TRACKS, Santa Clara, CA
Built 1970 ADT: 25,000
CENTRAL EXPRESSWAY
UnknownOver: SAN TOMAS EXPRESSWAY
AT SAN TOMAS EXPWY, Santa Clara, CA
Built 1977 ADT: 45,266
SAN TOMAS EXPWY
UnknownOver: WINCHESTER BLVD & UP RR
AT WINCHESTER BLVD, Santa Clara, CA
Built 1968 ADT: 10,000
ALMADEN NB-LINCOLN
UnknownOver: ALMADEN EXPWY SB
AT ALMADEN EXPWY, Santa Clara, CA
Built 1961 ADT: 27,658
SAN ANTONIO ROAD
UnknownOver: CALTRAIN, UP RR, CENTRAL
AT ALMA STREET, Santa Clara, CA
Built 1961 ADT: 60,000
SHORELINE BLVD
UnknownOver: UP RR,CENTRAL EXP,EVELYN
AT CENTRAL EXPWY, Santa Clara, CA
Built 1971 ADT: 40,000
S WHISMAN ROAD
UnknownOver: UP RR,CENTRAL EXP,EVELYN
AT CENTRAL EXPWY, Santa Clara, CA
Built 1967 ADT: 2,500
E MIDDLEFIELD ROAD
UnknownOver: CENTRAL EXPRESSWAY
AT CENTRAL EXPWY, Santa Clara, CA
Built 1971 ADT: 40,000
MATHILDA AVE
UnknownOver: CENTRAL EXPRESSWAY
AT CENTRAL EXPWY, Santa Clara, CA
Built 1970 ADT: 46,000
SUNNYVALE AVE
UnknownOver: CENTRAL EXPRESSWAY
CENTRAL EXPRESSWAY, Santa Clara, CA
Built 1970 ADT: 52,000
MORSE AVE
UnknownOver: CENTRAL EXPRESSWAY
CENTRAL EXPRESSWAY, Santa Clara, CA
Built 1970 ADT: 49,785
CALTRAIN,UP,AMTRAK
UnknownOver: LAFAYETTE STREET
AT SP RR, Santa Clara, CA
Built 1936 ADT: 25,000
CALTRAIN & UP RR
UnknownOver: WILLOW STREET
0.05 MI NE OF SR 87, Santa Clara, CA
Built 1967 ADT: 6,868
COLEMAN OFF RAMP
UnknownOver: DE LA CRUZ BLVD NB
NEAR DE LA CRUZ, Santa Clara, CA
Built 1969 ADT: 10,000
DE LA CRUZ BLVD NB
UnknownOver: DE LA CRUZ BL-COLMAN AV
COLEMAN ST, Santa Clara, CA
Built 1969 ADT: 8,498
PARK BLVD
UnknownOver: OREGON PAGE MILL EXPWY
SHERIDAN AVE, Santa Clara, CA
Built 1961 ADT: 43,000
PARKING LOT ACCESS
UnknownOver: OREGON PAGE MILL EXPWY
NEAR ALMA STREET, Santa Clara, CA
Built 1961 ADT: 43,000
UP RR
UnknownOver: OREGON EXPRESSWAY
NEAR ALMA ST, Santa Clara, CA
Built 1961 ADT: 35
LAWRENCE EXPWY
UnknownOver: STEVENS CREEK BLVD
STEVENS CRK BLVD, Santa Clara, CA
Built 1966 ADT: 45,990
ALMA STREET
UnknownOver: OREGON EXPRESSWAY
0.41 MI NE OF SR 82, Santa Clara, CA
Built 1961 ADT: 41,940
Showing 6,851-6,900 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.