Total Bridges
27,040
Public highway bridges in California
State profile · Below national median SD
California bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in California — drawn straight from the FHWA National Bridge Inventory.
- 27,040
- Public bridges
- 32.5%
- Good condition
- 4.6%
- Poor condition
- 4.6%
- Structurally deficient
Good Condition
32.5%
8,777 bridges rated 7-9
-17.5pp vs 50% benchmark
Poor Condition
4.6%
1,244 bridges rated 0-4
Structurally Deficient
4.6%
1,244 bridges flagged for repair priority
-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 — Structurally deficient share 15.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — California (FHWA NBI)
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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below California on the same metric.
39
Ohio
4.54% top marginal rate
34
New Jersey
4.59% top marginal rate
06
California
4.60% top marginal rate
05
Arkansas
4.71% top marginal rate
53
Washington
4.81% top marginal rate
Bridges Needing Most Attention in California
Six lowest-condition bridges in California, ranked by composite NBI rating. Each is inspected at least every 24 months.
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
Structurally DeficientOver: 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
HILLCREST AVE
GoodOver: CONTRA COSTA CANAL
1.6 MI S SH 4, Contra Costa, CA
Built 1990 Load: 32.4 t ADT: 9,500
EMPIRE AVE
GoodOver: CONTRA COSTA CANAL
0.01 MI N LAUREL RD, Contra Costa, CA
Built 1994 Load: 32.4 t ADT: 14,901
DIABLO SHADOW DR
GoodOver: PINE CREEK
0.1 MI E OAK GROVE RD, Contra Costa, CA
Built 1975 Load: 32.4 t ADT: 1,900
VALLEY VISTA RD
GoodOver: PINE CREEK
0.1 MI E OAK GROVE RD, Contra Costa, CA
Built 1989 Load: 32.4 t ADT: 2,400
SUNSHINE DR
GoodOver: PINE CREEK
0.2 MI NE MEADOW LN, Contra Costa, CA
Built 1982 Load: 32.4 t ADT: 500
VASCO ROAD
GoodOver: BRUSHY CREEK
7.1 MI S/O WALNUT BLVD, Contra Costa, CA
Built 1996 Load: 32.4 t ADT: 19,806
VASCO ROAD
GoodOver: BRUSHY CREEK
5.1 MI S WALNUT BLVD, Contra Costa, CA
Built 1996 Load: 32.4 t ADT: 19,806
VASCO ROAD
GoodOver: UNIMAN/FRISK CREEK
3.4 MI S WALNUT BLVD, Contra Costa, CA
Built 1996 Load: 32.4 t ADT: 19,806
VASCO ROAD
GoodOver: KELLOGG CREEK
0.1 MI S WALNUT BLVD, Contra Costa, CA
Built 1996 Load: 32.4 t ADT: 17,424
BOLLINGER CANYON
GoodOver: EAST BRANCH ALAMO CREEK
JUST S OF HARCOURT RD, Contra Costa, CA
Built 2006 Load: 32.4 t ADT: 5,000
WATERMILL ROAD
GoodOver: EAST BRANCH ALAMO CREEK
JUST S. OF HARCOURT WAY, Contra Costa, CA
Built 2006 Load: 32.4 t ADT: 500
WINDEMERE PARKWAY
GoodOver: EAST BRANCH ALAMO CREEK
0.6 MI E. BOLLINGER PKWY, Contra Costa, CA
Built 2006 Load: 32.4 t ADT: 2,000
WINDEMERE PARKWAY
GoodOver: ALAMO CREEK SOUTH FORK
1 MI E. BOLLINGER PKWY, Contra Costa, CA
Built 2005 Load: 32.4 t ADT: 2,000
BOLLINGER CANYON
GoodOver: MAIN BRANCH ALAMO CREEK
1 MI E CROW CANYON RD, Contra Costa, CA
Built 2006 Load: 32.4 t ADT: 5,000
BOLLINGER CANYON
GoodOver: WEST BRANCH ALAMO CREEK
0.1 MI W. OF DOUGHERTY RD, Contra Costa, CA
Built 2005 Load: 32.4 t ADT: 2,760
BOLLINGER CANYON R
GoodOver: E BRANCH PKWY
.1 MI S OF E BRANCH PKWY, Contra Costa, CA
Built 2005 Load: 32.4 t ADT: 5,000
WINDEMERE PARKWAY
GoodOver: CAMINO TASSAJARA
.3 MI W. CAMINO TASSAJARA, Contra Costa, CA
Built 2007 Load: 32.4 t ADT: 2,000
CASABLANCA ROAD
GoodOver: SHADOW CREEK
.1 MI W OF CREEKVIEW PL., Contra Costa, CA
Built 2006 Load: 32.4 t ADT: 1,000
SOMERSVILLE ROAD
GoodOver: CONTRA COSTA CANAL
0.35 MI SW BUCHANAN RD, Contra Costa, CA
Built 2009 Load: 32.4 t ADT: 13,686
DOUGHERTY ROAD
GoodOver: WEST BRANCH ALAMO CREEK
0.2 MI S. OF BOLLINGER CY, Contra Costa, CA
Built 2015 Load: 32.4 t ADT: 2,760
SUNSET ROAD
GoodOver: MARSH CREEK
1/10 MI E BRENTWOOD BLVD, Contra Costa, CA
Built 2005 Load: 32.4 t ADT: 5,800
SAND CREEK ROAD
GoodOver: MARSH CREEK
AT O'HARA AVE, Contra Costa, CA
Built 2002 Load: 32.4 t ADT: 20,000
ORWOOD ROAD
GoodOver: WERNER DREDGER CUT
2 MI. E. OF BYRON HWY, Contra Costa, CA
Built 2016 Load: 32.4 t ADT: 1,164
SAN PABLO AVE
GoodOver: RODEO CREEK
AT PARKER STREET, Contra Costa, CA
Built 2015 Load: 32.4 t ADT: 3,294
MARSH CREEK ROAD
GoodOver: MARSH CREEK
0.2 MI E OF ASPARA DRIVE, Contra Costa, CA
Built 2018 Load: 32.4 t ADT: 5,637
CO. JAIL ACCESS RD
GoodOver: MARSH CREEK
0.25 MI. S. MARSH CR. RD, Contra Costa, CA
Built 2014 Load: 32.4 t ADT: 150
CANAL ROAD
GoodOver: CONTRA COSTA CANAL
0.5 MI. W OF BAILEY ROAD, Contra Costa, CA
Built 2018 Load: 32.4 t ADT: 3,010
13TH ST
GoodOver: WILDCAT CREEK
0.1 MI S OF BROOKSIDE DR., Contra Costa, CA
Built 1994 Load: 32.4 t ADT: 25,106
BANCROFT ROAD
GoodOver: CONTRA COSTA CANAL
0.2 MI S TREAT BLVD, Contra Costa, CA
Built 1968 Load: 32.4 t ADT: 29,800
GREGORY LN
GoodOver: GRAYSON CREEK
0.4 MI W CONTRA COSTA BL, Contra Costa, CA
Built 1959 Load: 32.4 t ADT: 10,000
TREAT BLVD
GoodOver: CONTRA COSTA CANAL
0.1 MI E SAN MIGUEL RD, Contra Costa, CA
Built 1970 Load: 32.4 t ADT: 18,245
DETROIT AVE
GoodOver: PINE CREEK
AT WHITMAN RD, Contra Costa, CA
Built 1960 Load: 32.4 t ADT: 4,493
CHILPACINGO PARKWY
GoodOver: GRAYSON CREEK
0.1 MI W CONTRA COSTA BL, Contra Costa, CA
Built 1969 Load: 32.4 t ADT: 10,810
CHRISTEN DR
GoodOver: CONTRA COSTA CANAL
0.04 MI S THIRD AVE, Contra Costa, CA
Built 1990 Load: 32.4 t ADT: 3,200
COWELL ST
GoodOver: GALINDO CREEK
0.05 MI S BABEL LANE, Contra Costa, CA
Built 1978 Load: 32.4 t ADT: 9,000
VIEWPOINTE BLVD
GoodOver: RODEO CREEK
0.1 MI E WILLOW AVE, Contra Costa, CA
Built 1974 Load: 32.4 t ADT: 8,599
DIABLO RD
GoodOver: GREEN VALLEY CREEK
0.2 MI E EL CERRO BLVD, Contra Costa, CA
Built 1959 Load: 32.4 t ADT: 14,013
SYCAMORE VALLEY RD
GoodOver: SYCAMORE CREEK
0.2 MI W CAMINO TASSAJARA, Contra Costa, CA
Built 1974 Load: 32.4 t ADT: 28,237
VIA DORA DRIVE
GoodOver: CONTRA COSTA CANAL
AT HILLCREST AVENUE, Contra Costa, CA
Built 1984 Load: 32.4 t ADT: 1,500
CENTRAL BLVD
GoodOver: MARSH CREEK
0.1 MI W ESTATES DR, Contra Costa, CA
Built 1991 Load: 32.4 t ADT: 6,700
WILLOW PASS ROAD
GoodOver: CONTRA COSTA CANAL
0.1MI SW PORT CHICAGO HWY, Contra Costa, CA
Built 1994 Load: 32.4 t ADT: 19,000
RICHMOND PARKWAY
GoodOver: PARKWAY WETLANDS
3.6 MI SW OF I-80, Contra Costa, CA
Built 1995 Load: 32.4 t ADT: 27,000
SOMERSVILLE ROAD
GoodOver: WEST ANTIOCH CREEK
0.05 MI W OF "O" STREET, Contra Costa, CA
Built 1992 Load: 32.4 t ADT: 6,000
ARMSTRONG ROAD
GoodOver: BRUSHY CREEK
0.3 MI W BYRON HOT SPRING, Contra Costa, CA
Built 1998 Load: 32.4 t ADT: 380
BETHEL ISLAND ROAD
GoodOver: DUTCH SLOUGH
1.5 MI N. OF E CYPRESS RD, Contra Costa, CA
Built 2010 Load: 32.4 t ADT: 5,881
EL PORTAL DRIVE
GoodOver: SAN PABLO CREEK
0.1 MI EAST OF I-80, Contra Costa, CA
Built 2013 Load: 32.4 t ADT: 10,500
PITTSB-ANTIOCH HWY
GoodOver: KIRKER CREEK
0.6 MI E OF HARBOR ST, Contra Costa, CA
Built 2005 Load: 32.4 t ADT: 10,610
MANZANITA DRIVE
GoodOver: SAN PABLO CREEK
0.2 MI E OF CAMINO PABLO, Contra Costa, CA
Built 2014 Load: 32.4 t ADT: 612
DEER VALLEY ROAD
GoodOver: CONTRA COSTA CANAL
1 MI. S. OF HWY 4, Contra Costa, CA
Built 1988 Load: 32.4 t ADT: 1,000
BARMOUTH DRIVE
GoodOver: CONTRA COSTA CANAL
0.4 MI. S.OF DAVISON RD, Contra Costa, CA
Built 1985 Load: 32.4 t ADT: 500
Showing 20,151-20,200 of 27,040 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.