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
BARTD (R3005)
UnknownOver: CARLSON BLVD / 23RD ST
JUST N/O OHIO AVE, Contra Costa, CA
Built 1969 ADT: 26,000
PARKING LOT ACCESS
UnknownOver: CAMINO PABLO ROAD
BTWN SR 24E & SR 24W, Contra Costa, CA
Built 1969 ADT: 33,500
PEDESTRIAN WALKWAY
UnknownOver: CAMINO PABLO RD
OVER CAMINO PABLO, Contra Costa, CA
Built 1969 ADT: 33,500
ORINDA BART STA.
UnknownOver: CAMINO PABLO RD
ADJACENT TO SR24, Contra Costa, CA
Built 1969 ADT: 33,500
NORTH PARKSIDE DR
UnknownOver: RANGE ROAD
OVER WILLOW PASS RD., Contra Costa, CA
Built 1963 ADT: 14,300
BNSF,UP RR,AMTRAK
UnknownOver: BRIDGEHEAD ROAD
0.4 MI N OF SR 84, Contra Costa, CA
Built 1926 ADT: 6,753
UP RR, BNSF,AMTRAK
UnknownOver: BARRETT AVENUE
0.25 MI E/O HARBOR WAY, Contra Costa, CA
Built 1968 ADT: 15,000
BARTD
UnknownOver: BARRETT AVE
0.3 MI E/O HARBOR WAY, Contra Costa, CA
Built 1968 ADT: 15,000
BARTD (C3010)
UnknownOver: N. MAIN ST
N. MAIN ST @ N. CALI BLVD, Contra Costa, CA
Built 1968 ADT: 23,485
LAUREL ROAD
UnknownOver: RR/NEROLY ROAD
0.2MI NE JCT SR-4, Contra Costa, CA
Built 2010 ADT: 4,200
UP RR
UnknownOver: HARBOR STREET
0.1 MI S OF CENTRAL AVE, Contra Costa, CA
Built 1994 ADT: 4,000
BNSF,UP RR,AMTRAK
UnknownOver: HARBOR STREET
0.2 MI N OF CENTRAL AVE, Contra Costa, CA
Built 1986 ADT: 4,000
PIPE OC
UnknownOver: PIPE OC (L STREET)
AT SPT UNDERPASS, Contra Costa, CA
Built 1960 ADT: 17,673
UP RR
UnknownOver: L STREET
0.4 MI N/O SR4, Contra Costa, CA
Built 1968 ADT: 17,673
UP RR
UnknownOver: CAVALLO ROAD
0.2 MI N/O SR4, Contra Costa, CA
Built 1976 ADT: 1,000
BARTD
UnknownOver: FAIRMOUNT AVE
OVER FAIRMOUNT AVE, Contra Costa, CA
Built 1965 ADT: 10,510
BARTD
UnknownOver: CENTRAL AVE
OVER CENTRAL AVE, Contra Costa, CA
Built 1965 ADT: 6,630
BARTD (R3003)
UnknownOver: STOCKTON AVE
OVER STOCKTON AVE, Contra Costa, CA
Built 1965 ADT: 5,500
BARTD (R3003)
UnknownOver: MOESER LANE
OVER MOESER LANE, Contra Costa, CA
Built 1965 ADT: 7,260
BARTD (R3003)
UnknownOver: MANILA AVE
OVER MANILA AVE, Contra Costa, CA
Built 1965 ADT: 2,960
BARTD (R3003)
UnknownOver: POTRERO AVE
UNDER BARTD TRACKS, Contra Costa, CA
Built 1965 ADT: 8,080
BARTD (R3003)
UnknownOver: HILL ST
OVER HILL ST, Contra Costa, CA
Built 1965 ADT: 2,880
BARTD
UnknownOver: CUTTING BLVD
OVER CUTTING BLVD, Contra Costa, CA
Built 1965 ADT: 5,900
PEDESTRIANS & BIKE
UnknownOver: 37TH STREET
0.2 MI S/O MACDONALD AVE, Contra Costa, CA
Built 1967 ADT: 5,700
BARTD (R5001)
UnknownOver: 37TH ST
0.23 MI S/O MACDONALD AVE, Contra Costa, CA
Built 1967 ADT: 5,700
UP RR,BNSF,AMTRAK
UnknownOver: MACDONALD AVENUE
0.3 MI W/O 23RD ST, Contra Costa, CA
Built 1967 ADT: 5,900
BARTD (R5002 A&B)
UnknownOver: MACDONALD AVE
0.25 MI W/O 23RD ST, Contra Costa, CA
Built 1968 ADT: 5,900
BARTD
UnknownOver: MACDONALD AVE
0.25 MI W/O 23RD ST, Contra Costa, CA
Built 1968 ADT: 5,900
13TH ST
UnknownOver: UP RR,BNSF,AMTRAK,BARTD
JUST S/O LINCOLN AVE, Contra Costa, CA
Built 1967 ADT: 2,900
BNSF RY
UnknownOver: 7TH STREET
0.3 MI SE/O CASTRO ST, Contra Costa, CA
Built 1935 ADT: 15,000
BARTD (C3008)
UnknownOver: OAKLAND BLVD
OAKLAND BLVD, Contra Costa, CA
Built 1968 ADT: 28,976
BARTD (C3010)
UnknownOver: PARKSIDE DRIVE
BART TRACK AT PKSIDE DR, Contra Costa, CA
Built 1968 ADT: 9,280
BARTD (C3011)
UnknownOver: TREAT BLVD
INT OF OAK AND TREAT, Contra Costa, CA
Built 1968 ADT: 46,207
BARTD (C5022)
UnknownOver: BANCROFT ROAD
BANCROFT ROAD, Contra Costa, CA
Built 1968 ADT: 16,500
PEDESTRIAN WALKWAY
UnknownOver: MINERT ROAD & DAVID ROAD
OVER DAVID AND MINERT ST, Contra Costa, CA
Built 1965 ADT: 5,087
BARTD (C5023)
UnknownOver: OAK GROVE ROAD
AT MINERT RD, Contra Costa, CA
Built 1968 ADT: 1,000
BART (C3013)
UnknownOver: COWELL ROAD
AT GALINDO ST, Contra Costa, CA
Built 1968 ADT: 1,990
SHELL OIL PIPES
UnknownOver: SHELL AVENUE
0.2 MI N PACHECO BLVD, Contra Costa, CA
Built 1940 ADT: 4,386
PRIVATE RD
UnknownOver: SHELL AVENUE
0.2 MI N/O PACHECO BLVD, Contra Costa, CA
Built 1970 ADT: 4,386
PIPELINES
UnknownOver: HARBOR ST
0.2 MI W OF COLUMBIA ST, Contra Costa, CA
Built 1940 ADT: 21,000
BNSF RY
UnknownOver: SYCAMORE STREET
AT WILLOW AVENUE, Contra Costa, CA
Built 1915 ADT: 3,500
BNSF RY & AMTRAK
UnknownOver: RAILROAD AVENUE
0.1 MI N OF CENTRAL AVE, Contra Costa, CA
Built 1988 ADT: 10,000
BARTD
UnknownOver: WILLOW PASS RD
500 FT S. OF EVORA ROAD, Contra Costa, CA
Built 2007 ADT: 20,241
BNSF RY
UnknownOver: RICHMOND PARKWAY
0.5 MI S OF GERTRUDE AVE, Contra Costa, CA
Built 1995 ADT: 27,000
RICHMOND PARKWAY
UnknownOver: CASTRO ST
1/2 MI S OF GETRUDE AVE, Contra Costa, CA
Built 1995 ADT: 20,000
RICHMOND PARKWAY
UnknownOver: GIANT HIGHWAY
INTCHG RICHMOND/GIANT RD, Contra Costa, CA
Built 1995 ADT: 6,800
RICHMOND PKWY SB
UnknownOver: GIANT,UP RR,BNSF,AMTRAK
3 MI SW OF I-80, Contra Costa, CA
Built 1995 ADT: 5,000
RICHMOND PKWY NB
UnknownOver: GIANT,UP RR,BNSF,AMTRAK
3 MI SW OF I-80, Contra Costa, CA
Built 1995 ADT: 5,000
BARTD
UnknownOver: CONTRA LOMA BLVD
MEDIAN OF HWY 4, Contra Costa, CA
Built 2015 ADT: 6,000
BARTD
UnknownOver: A STREET
0.1 MI S OF BRYAN AVE, Contra Costa, CA
Built 2020 ADT: 5,000
Showing 701-750 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.