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
REMINGTON AVE
GoodOver: CUCAMONGA CREEK CHANNEL
0.5 MI W ARCHIBALD AVE, San Bernardino, CA
Built 1979 Load: 36.3 t ADT: 25
STATE ROUTE 67
GoodOver: PEPPER CREEK
11-SD-067-R0.64, San Diego, CA
Built 1966 Load: 36.3 t ADT: 92,000
INTERSTATE 8 EB
GoodOver: HORSETHIEF RD
11-SD-008-R39.66R, San Diego, CA
Built 1974 Load: 36.3 t ADT: 9,800
GOLDEN GATE AVENUE
GoodOver: MORMON SLOUGH
1/2 MI N/W OF S.H. 99, San Joaquin, CA
Built 1966 Load: 36.3 t ADT: 2,469
VAN ALLEN ROAD
GoodOver: NORTH LITTLE JOHNS CREEK
1.0 MI S SH 4, San Joaquin, CA
Built 1969 Load: 36.3 t ADT: 350
HAPPY CANYON RD
GoodOver: HAPPY CANYON CREEK
3.2 MI E OF ARMOUR RANCH, Santa Barbara, CA
Built 1969 Load: 36.3 t ADT: 873
LEAVESLEY RD
GoodOver: MARCELLA DITCH
E/O MARCELLA AVE, Santa Clara, CA
Built 1948 Load: 36.3 t ADT: 7,800
BRANHAM LN
GoodOver: GUADALUPE RIVER
NEAR ALMADEN EXPWY, Santa Clara, CA
Built 1975 Load: 36.3 t ADT: 31,900
DEE KNOCH RD
GoodOver: BEAVER CREEK
0.1 MI W PITTVILLE RD, Shasta, CA
Built 1980 Load: 36.3 t ADT: 200
WILLOW RD
GoodOver: HORSE CREEK
0.1 MI S WALNUT RD, Solano, CA
Built 1967 Load: 36.3 t ADT: 126
DALLY RD
GoodOver: NEW ALAMO CREEK CHANNEL
0.7 MI SOUTH OF FRY RD, Solano, CA
Built 1966 Load: 36.3 t ADT: 191
STATE ROUTE 20
GoodOver: ABANDONED UP RR SPUR
03-SUT-020-16.98-YC, Sutter, CA
Built 1946 Load: 36.3 t ADT: 41,750
AVENUE 184
GoodOver: NORTH BRANCH TULE RIVER
0.2 MI E OF RD 152, Tulare, CA
Built 1969 Load: 36.3 t ADT: 75
OAKPORT STREET
GoodOver: DAMON SLOUGH
0.2 MI SE OF 66TH AVE, Alameda, CA
Built 1968 Load: 36.6 t ADT: 5,313
PALOMARES RD
GoodOver: STONY BROOK
7.57 MI SE PALO VERDE RD, Alameda, CA
Built 1925 Load: 36.6 t ADT: 570
TAYLOR BLVD
GoodOver: GRAYSON CREEK
0.2 MI W CONTRA COSTA BLV, Contra Costa, CA
Built 1961 Load: 36.6 t ADT: 14,800
ROWDY CREEK ROAD
GoodOver: ROWDY CREEK
1.75 MI E OF RTE 101, Del Norte, CA
Built 1962 Load: 36.6 t ADT: 145
STATE ROUTE 198
GoodOver: WARTHAN CREEK
06-FRE-198-R15.04, Fresno, CA
Built 1971 Load: 36.6 t ADT: 1,100
LUPINE DRIVE
GoodOver: MILL CREEK
0.2 MI NORTH OF ELWOOD RD, Fresno, CA
Built 1966 Load: 36.6 t ADT: 200
N BLACKSTONE AVE
GoodOver: HERNDON CANAL
AT SHIELDS AVE, Fresno, CA
Built 1941 Load: 36.6 t ADT: 28,100
NO DATA ENTERED
GoodOver: NO DATA ENTERED
S16 T6N R6E, Humboldt, CA
Built 1966 Load: 36.6 t ADT: 50
STATE ROUTE 190
GoodOver: COSO WASH
09-INY-190-19.36, Inyo, CA
Built 1970 Load: 36.6 t ADT: 700
STATE ROUTE 41
GoodOver: AVENAL CREEK
06-KIN-041-3.75, Kings, CA
Built 2008 Load: 36.6 t ADT: 6,710
U.S. HIGHWAY 101
GoodOver: MEDEA CREEK
07-LA-101-34.82-AGRH, Los Angeles, CA
Built 1949 Load: 36.6 t ADT: 160,000
INTERSTATE 5
GoodOver: LOS ANGELES AQUEDUCT PSK
07-LA-005-R44.41-LA, Los Angeles, CA
Built 1970 Load: 36.6 t ADT: 281,078
RAMP/CONNECTOR 2
GoodOver: ROSEBUD AVE
07-LA-002-14.84-LA, Los Angeles, CA
Built 1962 Load: 36.6 t ADT: 7,800
E10 BUSWAY - N710
GoodOver: DORCHESTER DRAIN
07-LA-010S-21.45-MONP, Los Angeles, CA
Built 1974 Load: 36.6 t ADT: 500
W91-N110 CONN
GoodOver: UTILITY COMPANY ACCESS
07-LA-091-R6.39-LA, Los Angeles, CA
Built 1985 Load: 36.6 t ADT: 31,200
VALLEY BLVD
GoodOver: ALHAMBRA WASH
0.5MI W/O SAN GABRIEL B, Los Angeles, CA
Built 1931 Load: 36.6 t ADT: 30,952
ROSECRANS AVE
GoodOver: LA MIRADA CHAN
1.0MI E/O VALLEY VIEW AVE, Los Angeles, CA
Built 1955 Load: 36.6 t ADT: 28,287
PINE CYN RD
GoodOver: PINE CYN CRK
1.5MI W/O LAKE HUGHES RD, Los Angeles, CA
Built 1939 Load: 36.6 t ADT: 816
DEARBORN DR
GoodOver: HILLSIDE
250' N WINANS DR, Los Angeles, CA
Built 1928 Load: 36.6 t ADT: 150
COMPTON BLVD
GoodOver: ACTA
25FT E/O ALAMEDA ST, Los Angeles, CA
Built 1999 Load: 36.6 t ADT: 21,105
INTERSTATE 10 EB
GoodOver: HILLOCK DITCH
08-RIV-010-R100.68, Riverside, CA
Built 1967 Load: 36.6 t ADT: 11,500
INTERSTATE 10 WB
GoodOver: IROLO DITCH
08-RIV-010-R96.50, Riverside, CA
Built 1967 Load: 36.6 t ADT: 11,500
INTERSTATE 10 EB
GoodOver: IROLO DITCH
08-RIV-010-R96.50, Riverside, CA
Built 1967 Load: 36.6 t ADT: 23,100
MADISON AVE
GoodOver: ARCADE CREEK
0.1 MI E GARFIELD AVE, Sacramento, CA
Built 1947 Load: 36.6 t ADT: 30,000
INTERSTATE 15 SB
GoodOver: OAT DITCH
08-SBD-015-R130.58, San Bernardino, CA
Built 1965 Load: 36.6 t ADT: 23,500
INTERSTATE 15 NB
GoodOver: OAT DITCH
08-SBD-015-R130.59, San Bernardino, CA
Built 1965 Load: 36.6 t ADT: 23,500
INTERSTATE 40
GoodOver: COYOTE WASH
08-SBD-040-R139.23-NED, San Bernardino, CA
Built 1967 Load: 36.6 t ADT: 17,500
INTERSTATE 40
GoodOver: COYOTE WASH
08-SBD-040-R139.23-NED, San Bernardino, CA
Built 1967 Load: 36.6 t ADT: 16,700
ARROW ROUTE
GoodOver: SAN ANTONIO CREEK CHAN
0.4 MI W OF CENTRAL AVE, San Bernardino, CA
Built 1958 Load: 36.6 t ADT: 6,220
9TH STREET
GoodOver: CUCAMONGA CREEK CHANNEL
300' W VINEYARD AVE, San Bernardino, CA
Built 1980 Load: 36.6 t ADT: 5,100
INTERSTATE 8 EB
GoodOver: PINE VALLEY RD
11-SD-008-R43.54, San Diego, CA
Built 1974 Load: 36.6 t ADT: 8,900
WILLOW RD
GoodOver: SAN VICENTE CREEK
0.2 MI E/O SR-67, San Diego, CA
Built 1982 Load: 36.6 t ADT: 10,225
HOWARD ROAD
GoodOver: MIDDLE RIVER
JUST EAST WING LEVEE ROAD, San Joaquin, CA
Built 1968 Load: 36.6 t ADT: 1,801
INDIAN VALLEY RD
GoodOver: VINEYARD CREEK
1.91 MI N OF CROSS CYN RD, San Luis Obispo, CA
Built 1980 Load: 36.6 t ADT: 631
INTERSTATE 5
GoodOver: TORMEY DRAIN
02-SHA-005-R5.89-AND, Shasta, CA
Built 1966 Load: 36.6 t ADT: 19,500
DESCHUTES RD
GoodOver: BEND CREEK
2.0 MI S OF SR 44, Shasta, CA
Built 1980 Load: 36.6 t ADT: 3,632
CHURN CREEK ROAD
GoodOver: CHURN CREEK
BTWN I-5 & RANCHO RD, Shasta, CA
Built 1959 Load: 36.6 t ADT: 10,300
Showing 24,251-24,300 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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |