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
STATE ROUTE 162
GoodOver: BIG BUTTE CREEK OVERFLOW
03-GLE-162-83.67, Glenn, CA
Built 1937 Load: 23.3 t ADT: 1,500
STATE ROUTE 162
GoodOver: BIG BUTTE CREEK OVERFLOW
03-GLE-162-83.81, Glenn, CA
Built 1937 Load: 23.3 t ADT: 1,500
COUNTY RD 200
GoodOver: TEHAMA-COLUSA CN REACH 3
JUST E OF RD 'N', Glenn, CA
Built 1973 Load: 23.3 t ADT: 899
NO DATA ENTERED
GoodOver: NO DATA ENTERED
NO DATA ENTERED, Humboldt, CA
Built 1978 Load: 23.3 t ADT: 50
STATE ROUTE 178
GoodOver: HILLSIDE
06-KER-178-13.76, Kern, CA
Built 1923 Load: 23.3 t ADT: 4,350
MALAGA RD
GoodOver: ARVIN-EDISON CANAL
0.5 MI N PANAMA LN, Kern, CA
Built 1965 Load: 23.3 t ADT: 640
GRANGEVILLE BLVD
GoodOver: WEST BRANCH CROSS CREEK
0.62 MI E/O 5TH AVE, Kings, CA
Built 1970 Load: 23.3 t ADT: 3,375
STATE ROUTE 175
GoodOver: PUTAH CREEK
01-LAK-175-R24.95, Lake, CA
Built 1964 Load: 23.3 t ADT: 3,150
STATE ROUTE 91
GoodOver: ORANGE AVE
07-LA-091-R12.59-LBCH, Los Angeles, CA
Built 1970 Load: 23.3 t ADT: 260,000
ROSEMEAD BLVD
GoodOver: EATON WASH
0.1MI S/O BROADWAY, Los Angeles, CA
Built 1937 Load: 23.3 t ADT: 50,760
HORNITOS ROAD
GoodOver: CORBET CREEK
0.1 MI W OLD TOLL RD, Mariposa, CA
Built 1947 Load: 23.3 t ADT: 150
PIONEER RD
GoodOver: LOS BANOS CREEK
2.0 MI EAST OF VOLTA RD, Merced, CA
Built 1965 Load: 23.3 t ADT: 1,360
BRADBURY ROAD
GoodOver: LATERAL #6
0.3 MI E MERCED AVE, Merced, CA
Built 1925 Load: 23.3 t ADT: 2,325
CARMEL VALLEY RD
GoodOver: FINCH CREEK
15.1 MI NW ARROYO SECO RD, Monterey, CA
Built 1972 Load: 23.3 t ADT: 290
ARROYO SECO ROAD
GoodOver: ARROYO SECO RIVER
11 MILES WEST OF ELM AVE, Monterey, CA
Built 2000 Load: 23.3 t ADT: 390
STAGE COACH CYN RD
GoodOver: BUTTS CREEK
3.7 MI E BUTTS CYN RD, Napa, CA
Built 1970 Load: 23.3 t ADT: 41
STATE ROUTE 49
GoodOver: SOUTH WOLF CREEK
03-NEV-049-3.61, Nevada, CA
Built 1958 Load: 23.3 t ADT: 22,000
MC COURTNEY ROAD
GoodOver: COON CREEK
0.8 MI S. OF RIOSA ROAD, Placer, CA
Built 1998 Load: 23.3 t ADT: 1,861
INTERSTATE 15 SB
GoodOver: BEDFORD WASH
08-RIV-015-36.58, Riverside, CA
Built 1966 Load: 23.3 t ADT: 73,000
INTERSTATE 10
GoodOver: EAGLE MOUNTAIN ROAD
08-RIV-010-R102.01, Riverside, CA
Built 1967 Load: 23.3 t ADT: 11,500
AVENUE 48
GoodOver: COACHELLA CANAL
50' W/O HJORTH STREET, Riverside, CA
Built 1967 Load: 23.3 t ADT: 16,800
POCKET RD
GoodOver: DOUGLAS DRAIN
2.1 MI W/O I 5, Sacramento, CA
Built 1974 Load: 23.3 t ADT: 5,414
INTERSTATE 15 SB
GoodOver: CAJON CREEK / CAJON BLVD
08-SBD-015-16.07, San Bernardino, CA
Built 1969 Load: 23.3 t ADT: 63,500
HELENDALE RD
GoodOver: BUCKHORN WASH
0.7 MI N VISTA RD, San Bernardino, CA
Built 1972 Load: 23.3 t ADT: 1,100
HOLLISTER ST
GoodOver: TIJUANA RIVER
1.6MI S/O CORONADO AVE, San Diego, CA
Built 1953 Load: 23.3 t ADT: 1,279
US HIGHWAY 101 SB
GoodOver: NOJOQUI CREEK
05-SB-101-55.66, Santa Barbara, CA
Built 1955 Load: 23.3 t ADT: 11,000
MERIDIAN ST
GoodOver: LOS GATOS CREEK
NEAR MCKINLEY AVE, Santa Clara, CA
Built 1900 Load: 23.3 t ADT: 43,000
EUREKA CANYON RD
GoodOver: CORRALITOS CREEK
6.1 KM N BROWNS VLY RD, Santa Cruz, CA
Built 1987 Load: 23.3 t ADT: 500
MEADOWVIEW RD
GoodOver: CHURN CREEK
0.2 MI E CHURN CR RD, Shasta, CA
Built 1962 Load: 23.3 t ADT: 1,660
RAMP/CONNECTOR 96
GoodOver: KLAMATH RIVER
02-SIS-096-105.61, Siskiyou, CA
Built 1968 Load: 23.3 t ADT: 730
MORRISON LANE
GoodOver: PUTAH SOUTH CANAL
1.1 MI W SUISUN VALLEY RD, Solano, CA
Built 1955 Load: 23.3 t ADT: 139
STATE ROUTE 132
GoodOver: QUARTZ LEDGE CREEK
10-STA-132-49.62, Stanislaus, CA
Built 1918 Load: 23.3 t ADT: 1,550
STATE ROUTE 99
GoodOver: BUTLER SLOUGH
02-TEH-099-19.54, Tehama, CA
Built 1924 Load: 23.3 t ADT: 9,300
ROAD 168
GoodOver: SOUTH BRANCH TULE RIVER
0.67 MI N OF AVE 168, Tulare, CA
Built 1949 Load: 23.3 t ADT: 375
M 363
GoodOver: NORTH FORK KAWEAH RIVER
0.16 MI NORTH OF M357, Tulare, CA
Built 1965 Load: 23.3 t ADT: 500
WHEELER CYN RD
GoodOver: TODD BARRANCA
1.1 MI N FOOTHILL RD, Ventura, CA
Built 1931 Load: 23.3 t ADT: 850
MISSION BLVD
GoodOver: LOWER DEER CREEK
0.6 MI E ARCHIBALD AVE, San Bernardino, CA
Built 1929 Load: 23.6 t ADT: 13,208
NORD HWY
GoodOver: MUD CREEK
3.4 MI E/O HAMILT NORD CA, Butte, CA
Built 1962 Load: 23.7 t ADT: 3,200
OLD 99W
GoodOver: LURLINE CREEK
2.0 MI NORTH OF HAAS RD, Colusa, CA
Built 1930 Load: 23.7 t ADT: 1,298
SAN PABLO AVE
GoodOver: PINOLE CREEK
0.1 MI E TENNENT AVE, Contra Costa, CA
Built 1929 Load: 23.7 t ADT: 11,000
U.S. HIGHWAY 199
GoodOver: MIDDLE FORK SMITH RIVER
01-DN-199-24.08, Del Norte, CA
Built 1925 Load: 23.7 t ADT: 3,750
HERMOSA RD
GoodOver: ARVIN-EDISON CANAL
0.4 MI W MALAGA RD, Kern, CA
Built 1965 Load: 23.7 t ADT: 500
STATE ROUTE 2
GoodOver: HILLSIDE
07-LA-002-29.08-PAS, Los Angeles, CA
Built 1931 Load: 23.7 t ADT: 3,700
STATE ROUTE 39
GoodOver: CHAPMAN CANYON
07-LA-039-18.36, Los Angeles, CA
Built 1934 Load: 23.7 t ADT: 2,350
AVENUE 52
GoodOver: ARROYO SECO
0.1 MI SOUTH OF SR 110, Los Angeles, CA
Built 1940 Load: 23.7 t ADT: 5,370
HEATHFIELD DR
GoodOver: LA MIRADA CRK
0.1MI E/O TIGRINA AVE, Los Angeles, CA
Built 1955 Load: 23.7 t ADT: 202
LADINO AVENUE
GoodOver: CANAL CREEK
0.1 MI W FRANKLIN ROAD, Merced, CA
Built 1965 Load: 23.7 t ADT: 500
01N04A
GoodOver: LEE VINING CREEK
NO DATA ENTERED, Mono, CA
Built 2005 Load: 23.7 t ADT: 50
EDWARD AVE
GoodOver: FULLERTON CREEK CHANNEL
50' N/O VALENCIA DR, Orange, CA
Built 1958 Load: 23.7 t ADT: 1,557
ETIWANDA-E10 RAMP
GoodOver: ETWNDA-SN SEVN FL CN CHN
08-SBD-010-11.64, San Bernardino, CA
Built 1953 Load: 23.7 t ADT: 6,285
Showing 18,101-18,150 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.