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
UTILITY
UnknownOver: OREGON EXPRESSWAY
ALMA STREET, Santa Clara, CA
Built 1980 ADT: 46,000
FAIR OAKS AVE
UnknownOver: Central Expressway
CENTRAL EXPRESSWAY, Santa Clara, CA
Built 1970 ADT: 41,389
CENTRAL EXPRESSWAY
UnknownOver: WOLFE ROAD
WOLFE ROAD, Santa Clara, CA
Built 1970 ADT: 31,200
CENTRAL EXPRESSWAY
UnknownOver: LAWRENCE EXPRESSWAY
1 MI S OF US 101, Santa Clara, CA
Built 1968 ADT: 63,894
UP RR
UnknownOver: CENTRAL EXPRESSWAY
CENTRAL EXPWY, Santa Clara, CA
Built 1956 ADT: 27,360
SAN ANTONIO RD
UnknownOver: MALL PARKING ACCESS RD
NEAR ALMA ST, Santa Clara, CA
Built 1964 ADT: 300
ARQUES AVE
UnknownOver: CENTRAL EXPRESSWAY
CENTRAL EXPRESSWAY, Santa Clara, CA
Built 1970 ADT: 49,785
MONTAGUE EXPWY
UnknownOver: UP RR, LAFAYETTE,BASSETT
1.2 MILES W/O N. FIRST, Santa Clara, CA
Built 1962 ADT: 10,000
CALTRAIN,UP,AMTRAK
UnknownOver: JULIAN STREET
0.45 MI WEST OF SR 87, Santa Clara, CA
Built 1935 ADT: 7,200
TASMAN DR & LRT
UnknownOver: UP RR, AMTRAK, LAFAYETTE
TASMAN DR @ LAFAYETTE, Santa Clara, CA
Built 1976 ADT: 18,370
CALTRAIN,UP,AMTRAK
UnknownOver: ALMADEN ROAD
0.03 MI NORTH OF SR 87, Santa Clara, CA
Built 1936 ADT: 6,700
CALTRAIN,UP,AMTRAK
UnknownOver: ALMA AVE
0.04 MI NE OF SR 87, Santa Clara, CA
Built 1936 ADT: 21,700
CALTRAIN,UP,AMTRAK
UnknownOver: BIRD AVE
0.2 MI S OF I-280, Santa Clara, CA
Built 1965 ADT: 28,000
CALTRAIN,UP,AMTRAK
UnknownOver: PARK AVE
0.2 MI E SUNOL AVE, Santa Clara, CA
Built 1968 ADT: 8,000
CALTRAIN,UP,AMTRAK
UnknownOver: TAYLOR STREET
0.6 MI SW OF SR 87, Santa Clara, CA
Built 1935 ADT: 19,300
O'CONNOR DR
UnknownOver: FOREST AVE
FORREST AVE, Santa Clara, CA
Built 1960 ADT: 16,000
CALTRAIN,UP,AMTRAK
UnknownOver: MONTEREY RD
SOUTH OF COCHRAN RD, Santa Clara, CA
Built 1933 ADT: 22,000
VTA LRT
UnknownOver: CHYNOWETH AVE
CHYNOWETH AVE UP, Santa Clara, CA
Built 1989 ADT: 11,000
VTA LRT
UnknownOver: SANTA TERESA BLVD
AT STATE ROUTE 85, Santa Clara, CA
Built 1989 ADT: 23,000
GOLF CART PATH
UnknownOver: UP RR, AMTRAK, LAFAYETTE
0.6 MI S/O S.H. 237, Santa Clara, CA
Built 1985 ADT: 20,000
RAILROAD
UnknownOver: EMBARCADERO ROAD
NEXT TO ALMA STREET, Santa Clara, CA
Built 1936 ADT: 23,000
PEDESTRIAN WALKWAY
UnknownOver: UP RR,CENTRAL EXP,EVELYN
0.1 MI W/O EAST ST, Santa Clara, CA
Built 1995 ADT: 50,047
PEDESTRIAN WALKWAY
UnknownOver: JULIETTE LANE
800 FT S MISSION COLLEGE, Santa Clara, CA
Built 1995 ADT: 5,000
CALTRAIN,UP,AMTRAK
UnknownOver: PREVOST STREET
0.2 MI S/O VIRGINA AVE, Santa Clara, CA
Built 1936 ADT: 1,980
CALTRAIN,UP,AMTRAK
UnknownOver: DELMAS AVE
BTWN FULR AV & JEROME ST, Santa Clara, CA
Built 1936 ADT: 3,850
BAILEY AVENUE
UnknownOver: MONTEREY RD, UPRR, AMTRK
5 MI NE/O SANTA TERESA BL, Santa Clara, CA
Built 2006 ADT: 21,600
BLOSSOM HILL ROAD
UnknownOver: MONTEREY ST, RR,ENDICOTT
0.5 MI SW OF RT101, Santa Clara, CA
Built 1974 ADT: 22,029
CAPITOL EXPRESSWAY
UnknownOver: MONTEREY HWY
0.3 MI NE SNELL AVE, Santa Clara, CA
Built 1966 ADT: 56,000
CALTRAIN,UP,AMTRAK
UnknownOver: STATE ROUTE 82
75 FT W OF STOCKTON AVE, Santa Clara, CA
Built 1932 ADT: 14,700
PEDESTRIAN PATH
UnknownOver: MONTEREY ST, RR,ENDICOTT
SE OF BLOSSOM HILL ROAD, Santa Clara, CA
Built 2012 ADT: 56,000
VTA LRT
UnknownOver: HILLSDALE AVE
BTW ROUTE 87 BRIDGES, Santa Clara, CA
Built 1991 ADT: 7,000
VTA LRT
UnknownOver: ALMADEN ROAD
BTW ROUTE 87 BRIDGES, Santa Clara, CA
Built 1991 ADT: 14,000
VTA LRT
UnknownOver: WILLOW STREET
BTW ROUTE 87 BRIDGES, Santa Clara, CA
Built 1989 ADT: 9,000
VTA LRT
UnknownOver: CAPITAL EXPRESSWAY
BTW ROUTE 87 BRIDGES, Santa Clara, CA
Built 1991 ADT: 38,000
VTA LRT SB
UnknownOver: CURTNER AVENUE
AT STATE ROUTE 87, Santa Clara, CA
Built 1991 ADT: 38,000
VTA LRT NB
UnknownOver: CURTNER AVENUE
AT STATE ROUTE 87, Santa Clara, CA
Built 1991 ADT: 38,000
VTA LRT SB
UnknownOver: ALMA AVENUE
AT STATE ROUTE 87, Santa Clara, CA
Built 1990 ADT: 15,000
VTA LRT NB
UnknownOver: ALMA AVENUE
AT STATE ROUTE 87, Santa Clara, CA
Built 1990 ADT: 15,000
BIKE PATH
UnknownOver: EMBARCADERO ROAD
NEXT TO ALMA, Santa Clara, CA
Built 2000 ADT: 23,000
UP RR
UnknownOver: STATE ROUTE 1
05-SCR-001-9.79, Santa Cruz, CA
Built 1948 ADT: 78,000
STATE ROUTE 1
UnknownOver: APTOS CRK & SPRECKELS DR
05-SCR-001-10.01, Santa Cruz, CA
Built 1948 ADT: 560
UP RR
UnknownOver: STATE ROUTE 1
05-SCR-001-10.23, Santa Cruz, CA
Built 1948 ADT: 78,000
STATE ROUTE 1
UnknownOver: SOQUEL CREEK, WHARF RD
05-SCR-001-13.31-CPTL, Santa Cruz, CA
Built 1947 ADT: 5,310
FREEDOM BOULEVARD
UnknownOver: STATE ROUTE 1
05-SCR-001-8.35, Santa Cruz, CA
Built 1969 ADT: 60,000
RIO DEL MAR BLVD
UnknownOver: STATE ROUTE 1
05-SCR-001-9.15, Santa Cruz, CA
Built 1967 ADT: 78,000
CAPITOLA AVENUE
UnknownOver: STATE ROUTE 1
05-SCR-001-12.93-CPTL, Santa Cruz, CA
Built 1948 ADT: 97,000
STATE PARK DRIVE
UnknownOver: STATE ROUTE 1
05-SCR-001-10.54, Santa Cruz, CA
Built 1963 ADT: 78,000
STATE ROUTE 1 SB
UnknownOver: PARK AVENUE
05-SCR-001-12.09-CPTL, Santa Cruz, CA
Built 1963 ADT: 15,476
STATE ROUTE 1 NB
UnknownOver: PARK AVENUE
05-SCR-001-12.09-CPTL, Santa Cruz, CA
Built 1963 ADT: 15,476
UPRR & AMTRAK
UnknownOver: STATE ROUTE 129
05-SCR-129-9.91, Santa Cruz, CA
Built 1931 ADT: 10,750
Showing 6,901-6,950 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.