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
ROAD 13
PoorOver: ASH SLOUGH
INT AVE 25 1/2, Madera, CA
Built 1965 Load: 20.1 t ADT: 316
GONZALES RIVER RD
PoorOver: SALINAS RIVER
0.2 MI E RIVER RD, Monterey, CA
Built 1930 Load: 20.1 t ADT: 1,800
LAWSON VALLEY RD
PoorOver: LAWSON CREEK
3.4MI E/O SKYLINE TRK TRL, San Diego, CA
Built 1948 Load: 20.1 t ADT: 852
EUREKA CANYON RD
PoorOver: SHINGLE MILL GULCH
2.0 MI N RIDER RD, Santa Cruz, CA
Built 1950 Load: 20.1 t ADT: 500
PACKER LAKE ROAD
PoorOver: SALMON CREEK
WEST OF GOLD LAKES ROAD, Sierra, CA
Built 1960 Load: 20.1 t ADT: 200
DEL VALLE RD
PoorOver: LAKE DEL VALLE
5 MI SOUTH OF MINES RD, Alameda, CA
Built 1964 Load: 20.4 t ADT: 900
SHELL AVE
PoorOver: ARROYO DEL HAMBRE
300 FT EST OF ALHAMBRA AV, Contra Costa, CA
Built 1955 Load: 20.4 t ADT: 4,900
WINDING ROAD
PoorOver: KINGS RIVER
NO DATA ENTERED, Fresno, CA
Built 1946 Load: 20.4 t ADT: 115
COUNTY RD 306
PoorOver: SALT CREEK
0.3 MI S OF RD #200, Glenn, CA
Built 1948 Load: 20.4 t ADT: 300
STATE ROUTE 78
PoorOver: PALO VERDE OUTFALL
11-IMP-078-79.19, Imperial, CA
Built 1964 Load: 20.4 t ADT: 2,150
SINCLAIR ROAD
PoorOver: ALAMO RIVER
3.3 MI W/O SR 111, Imperial, CA
Built 1994 Load: 20.4 t ADT: 550
GAGE AVE
PoorOver: LOS ANGELES RIV
0.1MI W/O I-710 FWY, Los Angeles, CA
Built 1940 Load: 20.4 t ADT: 27,454
STATE ROUTE 1
PoorOver: LAGUNITAS CREEK
04-MRN-001-28.51, Marin, CA
Built 1929 Load: 20.4 t ADT: 3,500
BAXTER ROAD
PoorOver: S FORK DUTCHMAN CREEK
0.2 MI N BUCHAN HOLLOW RD, Merced, CA
Built 1941 Load: 20.4 t ADT: 35
E205-N5 CONNECTOR
PoorOver: PARADISE CUT
10-SJ-205-R13.11, San Joaquin, CA
Built 1970 Load: 20.4 t ADT: 21,500
HUASNA RD
PoorOver: ARROYO GRANDE CREEK
0.04 MI SE LOPEZ DR, San Luis Obispo, CA
Built 1923 Load: 20.4 t ADT: 966
MAIN ROAD
PoorOver: LITTLE BUTANO CREEK
BUTANO ST PRK 0.4 MI IN, San Mateo, CA
Built 1980 Load: 20.4 t ADT: 70
SAN ANDREAS RD
PoorOver: WATSONVILLE SLOUGH
0.4 MI NW BEACH RD, Santa Cruz, CA
Built 1941 Load: 20.4 t ADT: 6,000
PRICE CREEK RD
PoorOver: PRICE CREEK
0.7 MI SOUTH OF SR 299, Trinity, CA
Built 1950 Load: 20.4 t ADT: 20
EL PRADO ROAD
PoorOver: EASTON CREEK
JUST SE OF CANYON RD, San Mateo, CA
Built 1956 Load: 20.5 t ADT: 200
COLLEGE CITY RD
PoorOver: CLARKS DITCH
WHITE ROAD, Colusa, CA
Built 1976 Load: 20.7 t ADT: 402
ROAD 67
PoorOver: HOWARD SLOUGH
1.8 MI EAST OF CR Z, Glenn, CA
Built 1920 Load: 20.7 t ADT: 93
TEMPLE CITY BLVD
PoorOver: EATON WASH
1.0MI E/O ROSEMEAD BLVD, Los Angeles, CA
Built 1956 Load: 20.7 t ADT: 13,481
PIONEER RD
PoorOver: OUTSIDE CANAL
0.2 MI E VOLTA RD, Merced, CA
Built 1960 Load: 20.7 t ADT: 1,360
QUITO RD
PoorOver: SAN TOMAS CREEK
SOUTH OF OLD ADOBE RD, Santa Clara, CA
Built 1915 Load: 20.7 t ADT: 6,740
STATE ROUTE 129
PoorOver: SALSIPUEDES CREEK
05-SCR-129-0.56, Santa Cruz, CA
Built 1938 Load: 20.7 t ADT: 10,000
STATE ROUTE 9
PoorOver: KINGS CREEK
05-SCR-009-15.49, Santa Cruz, CA
Built 1927 Load: 20.7 t ADT: 5,000
INTERSTATE 80
PoorOver: DAN WILSON CREEK
04-SOL-080-13.92, Solano, CA
Built 1951 Load: 20.7 t ADT: 202,000
NELSON SHIPPEE RD
PoorOver: WESTERN CANAL
0.6 MI E/O MIDWAY RD, Butte, CA
Built 1940 Load: 21.1 t ADT: 110
SALT CREEK RD
PoorOver: SALT CREEK
0.1 MI N/O REQUA RD, Del Norte, CA
Built 1975 Load: 21.1 t ADT: 5
S HUGHES AVE
PoorOver: HOUGHTON CANAL
AT/JSO NIELSEN AVE, Fresno, CA
Built 1925 Load: 21.1 t ADT: 5,867
THE OLD RD
PoorOver: SANTA CLARA RIV
0.3MI N/O MAGIC MTN PKWY, Los Angeles, CA
Built 1928 Load: 21.1 t ADT: 30,894
N SHORE DR, RD 432
PoorOver: NORTH FORK WILLOW CREEK
0.7 MI SE OF S SHORE DR, Madera, CA
Built 1953 Load: 21.1 t ADT: 2,000
MORAGA AVENUE
PoorOver: DELTA-MENDOTA CANAL
0.4 MI N HWY 152, Merced, CA
Built 1950 Load: 21.1 t ADT: 101
MANTHEY ROAD
PoorOver: SAN JOAQUIN RIVER
0.2 MI NE OF STEWART RD, San Joaquin, CA
Built 1926 Load: 21.1 t ADT: 750
TASMAN DR
PoorOver: CALABAZAS CREEK
E OF LAWRENCE EXPWY, Santa Clara, CA
Built 1976 Load: 21.1 t ADT: 10,400
N BIG TREES PRK RD
PoorOver: SAN LORENZO RIVER
H COWELL ST PK, Santa Cruz, CA
Built 1931 Load: 21.1 t ADT: 500
STATE ROUTE 104
PoorOver: SUTTER CREEK
10-AMA-104-R5.86-ION, Amador, CA
Built 1970 Load: 21.4 t ADT: 11,000
HUMBOLDT ROAD
PoorOver: DEAD HORSE SLOUGH DIVRSN
BTWN FOREST & EL MONTE, Butte, CA
Built 1957 Load: 21.4 t ADT: 3,500
SCHADD ROAD
PoorOver: FOREST CREEK
0.1 MI S OF BALD MTN RD, Calaveras, CA
Built 1993 Load: 21.4 t ADT: 34
ROAD 67
PoorOver: PACKARD DRAW
0.5 MI WEST OF ROAD Z, Glenn, CA
Built 1930 Load: 21.4 t ADT: 91
ROAD 67
PoorOver: HOWARD SLOUGH
1.7 MI EAST OF CR Z, Glenn, CA
Built 1950 Load: 21.4 t ADT: 93
MURPHY ROAD
PoorOver: TRES PINOS CREEK
EAST OF SR 25, San Benito, CA
Built 1960 Load: 21.4 t ADT: 200
STATE ROUTE 38
PoorOver: HATHAWAY CREEK
08-SBD-038-26.58, San Bernardino, CA
Built 1967 Load: 21.4 t ADT: 2,500
BARTON RD
PoorOver: UP RR & AMTRAK
0.5 MI W CALIFORNIA ST., San Bernardino, CA
Built 1972 Load: 21.4 t ADT: 24,760
BROOKSIDE AVE
PoorOver: MOREY ARROYO 1
0.3 MI NE TENNESEE ST, San Bernardino, CA
Built 1950 Load: 21.4 t ADT: 20,000
AIRPORT WAY
PoorOver: MORMON SLOUGH
0.2 MI N DR MLK JR BLVD, San Joaquin, CA
Built 1957 Load: 21.4 t ADT: 4,500
RIVER RD
PoorOver: MARK WEST CREEK
11.2 MI W OF SR 116, Sonoma, CA
Built 1958 Load: 21.4 t ADT: 8,000
MILTON ROAD
PoorOver: ROCK CREEK TRIBUTARY
3.7 MI N/O SR 4, Stanislaus, CA
Built 1918 Load: 21.4 t ADT: 716
ARCHER ROAD
PoorOver: SUTTER-BUTTE CANAL
0.3 MI E OF KENT ROAD, Sutter, CA
Built 1950 Load: 21.4 t ADT: 43
Showing 26,201-26,250 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.