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
MAGNOLIA AVENUE
GoodOver: ARLINGTON CHANNEL
0.1 MI. W/O BUCHANAN ST., Riverside, CA
Built 1986 Load: 32.4 t ADT: 22,800
BUCHANAN STREET
GoodOver: ARLINGTON CHANNEL
100' S/O MAGNOLIA AVENUE, Riverside, CA
Built 1986 Load: 32.4 t ADT: 10,000
PIERCE STREET
GoodOver: ARLINGTON CHANNEL
0.2 MI. S/O MAGNOLIA AVE., Riverside, CA
Built 1986 Load: 32.4 t ADT: 12,200
INDIANA AVENUE
GoodOver: ARIZONA STREET CHANNEL
0.2 MI. W/O LA SIERRA AVE, Riverside, CA
Built 1986 Load: 32.4 t ADT: 9,260
LINCOLN AVENUE
GoodOver: SOUTH NORCO CHANNEL
0.3 MI. S/O RIVER ROAD, Riverside, CA
Built 1985 Load: 32.4 t ADT: 7,000
ADRIENNE AVENUE
GoodOver: FREDERICK STREET CHANNEL
0.2 MI. E/O ELSWORTH AVE., Riverside, CA
Built 1986 Load: 32.4 t ADT: 3,350
ALESSANDRO BLVD.
GoodOver: FREDERICK STREET CHANNEL
0.01 MI.E/O VETERANS WAY, Riverside, CA
Built 1986 Load: 32.4 t ADT: 3,350
PEREZ ROAD
GoodOver: CATHEDRAL CYN N CHANNEL
0.2 MI. W/O CATHEDRAL CYN, Riverside, CA
Built 1988 Load: 32.4 t ADT: 10,000
WASHINGTON STREET
GoodOver: LA QUINTA CHANNEL
0.2 MI S/O 50TH AVENUE, Riverside, CA
Built 1981 Load: 32.4 t ADT: 23,143
SUN CITY BOULEVARD
GoodOver: GOLF COURSE DRAIN
0.3 MI. S/O ROUSE ROAD, Riverside, CA
Built 1975 Load: 32.4 t ADT: 1,510
CHAMBERS AVENUE
GoodOver: GOLF COURSE DRAIN
0.3 MI. W/O SUN CITY BLVD, Riverside, CA
Built 1975 Load: 32.4 t ADT: 1,140
SUN CITY BOULEVARD
GoodOver: MCCALL BOULEVARD DRAIN
200' N/O MCCALL BLVD., Riverside, CA
Built 1975 Load: 32.4 t ADT: 3,410
DIAZ ROAD
GoodOver: RANCHO CALIF RD CHANNEL
50' N/O RANCHO CALIF. RD., Riverside, CA
Built 1987 Load: 32.4 t ADT: 12,000
MOUNTAIN AVENUE
GoodOver: MERIDIAN STREET CHANNEL
0.1 MI. SE/O ESPLANADE AV, Riverside, CA
Built 1988 Load: 32.4 t ADT: 12,091
4TH STREET
GoodOver: NORTH NORCO CHANNEL
50 FT E OF INTERSTATE 15, Riverside, CA
Built 1989 Load: 32.4 t ADT: 3,421
LIMONITE AVENUE
GoodOver: EQUESTRIAN UC & DITCH
300' W/O DODD STREET, Riverside, CA
Built 1980 Load: 32.4 t ADT: 18,801
IRIS AVENUE
GoodOver: KITCHING STREET CHANNEL
AT KITCHING STREET, Riverside, CA
Built 1987 Load: 32.4 t ADT: 18,700
KRAMERIA STREET
GoodOver: KITCHING STREET CHANNEL
0.2 MI. E/O KITCHING ST., Riverside, CA
Built 1988 Load: 32.4 t ADT: 9,700
LASSELLE STREET
GoodOver: MORENO VALLEY RANCH LAKE
500' S/O IRIS AVENUE, Riverside, CA
Built 1988 Load: 32.4 t ADT: 16,900
BAY AVENUE
GoodOver: KITCHING CHANEL LINE 'Q'
0.3 MI. E/O KITCHING ST., Riverside, CA
Built 1987 Load: 32.4 t ADT: 2,500
WB MURRIETA HS RD
GoodOver: TUCALOCA CREEK
0.2 MI. E/O ROUTE 79 HWY, Riverside, CA
Built 1991 Load: 32.4 t ADT: 9,320
SEMINOLE DRIVE
GoodOver: DESERT HILLS DRAIN
0.3 MI. W/O MILLARD PASS, Riverside, CA
Built 1990 Load: 32.4 t ADT: 6,090
ADAMS AVENUE
GoodOver: WARM SPRINGS CREEK
0.1 MI S/O CORNING PLACE, Riverside, CA
Built 1996 Load: 32.4 t ADT: 1,980
CACTUS AVENUE
GoodOver: SUNNYMEAD AREA DRAINAGE
AT VETERANS WAY, Riverside, CA
Built 1991 Load: 32.4 t ADT: 40,600
CACTUS AVENUE
GoodOver: SUNNYMEAD STORM CHANNEL
100' W/O HEACOCK AVENUE, Riverside, CA
Built 1990 Load: 32.4 t ADT: 33,400
MORENO BEACH DRIVE
GoodOver: STORM CHANNEL LINE F
0.2 MI N/O JF KENNEDY DR., Riverside, CA
Built 1990 Load: 32.4 t ADT: 19,200
CACTUS AVENUE
GoodOver: STORM CHANNEL LINE G
0.5 MI. W/O JF KENNEDY DR, Riverside, CA
Built 1989 Load: 32.4 t ADT: 3,800
GOLDEN AVENUE
GoodOver: LA SIERRA CHANNEL
0.2 MI. S/O COLLETT AVE., Riverside, CA
Built 1991 Load: 32.4 t ADT: 1,000
KNABE ROAD
GoodOver: BROWN CANYON CHANNEL
1.0 MI. S/O WEIRICK ROAD, Riverside, CA
Built 1992 Load: 32.4 t ADT: 13,832
ANTELOPE ROAD
GoodOver: SALT CREEK CHANNEL
0.5 MI. N/O NEWPORT ROAD, Riverside, CA
Built 1991 Load: 32.4 t ADT: 2,500
OVERLAND TRAIL
GoodOver: REDHAWK PARKWAY CHANNEL
100 FT E/O REDHAWK PKWY, Riverside, CA
Built 1991 Load: 32.4 t ADT: 2,000
MARGARITA ROAD
GoodOver: SANTA GERTRUDIS CREEK
0.2 MI. NW/O ROUTE 79 HWY, Riverside, CA
Built 1993 Load: 32.4 t ADT: 20,000
MORAGA ROAD
GoodOver: EMPIRE CREEK
0.2 MI. N/O RANCHO CALIF., Riverside, CA
Built 1990 Load: 32.4 t ADT: 11,000
YNEZ ROAD
GoodOver: EMPIRE CREEK
0.3 MI. N/O RANCHO CALIF, Riverside, CA
Built 1990 Load: 32.4 t ADT: 22,000
CLINTON KEITH ROAD
GoodOver: SLAUGHTERHOUSE CREEK
0.1 MI SW/O GRAND AVENUE, Riverside, CA
Built 1992 Load: 32.4 t ADT: 4,390
MAIN STREET
GoodOver: TEMESCAL CREEK CHANNEL
0.2 MI. N/O RIVER ROAD, Riverside, CA
Built 1972 Load: 32.4 t ADT: 34,000
HAMNER AVENUE
GoodOver: NORTH NORCO CHANNEL
0.3 MI N/O 2ND STREET, Riverside, CA
Built 1980 Load: 32.4 t ADT: 29,360
BUTTERFIELD STAGE
GoodOver: TEMECULA CREEK
0.2 MI. S/O ROUTE 79 HWY., Riverside, CA
Built 1993 Load: 32.4 t ADT: 5,000
WASHINGTON STREET
GoodOver: GOLF COURSE DRAIN
0.6 MI N/O ROUTE 10 FWY, Riverside, CA
Built 1992 Load: 32.4 t ADT: 17,711
OVERLAND DRIVE
GoodOver: PARKING LOT
OVERLAND DR OC @ RTE I-15, Riverside, CA
Built 1998 Load: 32.4 t ADT: 22,000
PLACENTIA AVENUE
GoodOver: RCTC & BNSF RY
0.1 MI. W/O ROUTE 215 FWY, Riverside, CA
Built 1994 Load: 32.4 t ADT: 4,140
PERRIS BOULEVARD
GoodOver: PERRIS VALLEY CHANNEL
1.0 MI. S/O IRIS AVENUE, Riverside, CA
Built 1995 Load: 32.4 t ADT: 26,300
MONTEREY AVENUE
GoodOver: WHITEWATER RIVER
0.9 MI N/O FRED WARING DR, Riverside, CA
Built 1996 Load: 32.4 t ADT: 30,000
PALM CANYON DRIVE
GoodOver: E CATHEDRAL CYN CHANNEL
0.1 MI. SE/O DATE PALM DR, Riverside, CA
Built 1964 Load: 32.4 t ADT: 42,000
SIXTH STREET
GoodOver: OAK STREET CHANNEL
0.2 MI. W/O LINCOLN AVE., Riverside, CA
Built 1993 Load: 32.4 t ADT: 23,000
JEFFERSON AVENUE
GoodOver: YODER WASH
0.4 MI S/O MRTA HT SPS RD, Riverside, CA
Built 1996 Load: 32.4 t ADT: 23,546
ADAMS AVENUE
GoodOver: DRAINAGE LINE F
0.1 MI NW/O KALMIA STREET, Riverside, CA
Built 1997 Load: 32.4 t ADT: 1,916
VINEYARD PKWY
GoodOver: MURRIETA CREEK
0.15 MI SW/O HAYES AVENUE, Riverside, CA
Built 2005 Load: 32.4 t ADT: 1,090
EL DORADO DRIVE
GoodOver: WHITEWATER RIVER
0.1 MI. S/O FRED WARING, Riverside, CA
Built 1995 Load: 32.4 t ADT: 5,000
POMONA ROAD
GoodOver: OAK STREET CHANNEL
0.1 MI. E/O LINCOLN AVE., Riverside, CA
Built 1993 Load: 32.4 t ADT: 3,000
Showing 21,951-22,000 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.