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
INTERSTATE 110
GoodOver: GALAVAN STORM DRAIN
07-LA-110-5.90-LA, Los Angeles, CA
Built 1962 Load: 32.4 t ADT: 199,500
INTERSTATE 5 SB
GoodOver: CALGROVE BLVD
07-LA-005-R49.03-SCTA, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 97,478
INTERSTATE 5 NB
GoodOver: CALGROVE BLVD
07-LA-005-R49.03-SCTA, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 97,478
STATE ROUTE 14
GoodOver: WARD WASH
07-LA-014-46.60, Los Angeles, CA
Built 1963 Load: 32.4 t ADT: 97,000
INTERSTATE 210
GoodOver: MAGNOLIA AVENUE
07-LA-210-R33.67-MNRO, Los Angeles, CA
Built 1966 Load: 32.4 t ADT: 258,000
INTERSTATE 210
GoodOver: DUNCANNON AVENUE
07-LA-210-R35.52-DRT, Los Angeles, CA
Built 1966 Load: 32.4 t ADT: 258,000
INTERSTATE 10
GoodOver: SAN JOSE WASH
07-LA-010-44.84-POM, Los Angeles, CA
Built 1963 Load: 32.4 t ADT: 247,000
INTERSTATE 605
GoodOver: SAN JOSE CREEK CHANNEL
07-LA-605-R15.70-PRV, Los Angeles, CA
Built 1964 Load: 32.4 t ADT: 251,000
INTERSTATE 605
GoodOver: ROSE HILLS CHANNEL
07-LA-605-R15.37-IDY, Los Angeles, CA
Built 1964 Load: 32.4 t ADT: 251,000
INTERSTATE 10
GoodOver: CHARITON ST STORM DRAIN
07-LA-010-R8.78-LA, Los Angeles, CA
Built 1964 Load: 32.4 t ADT: 268,000
INTERSTATE 5
GoodOver: NEWHALL RANCH DRAIN
07-LA-005-R55.28, Los Angeles, CA
Built 1964 Load: 32.4 t ADT: 134,090
INTERSTATE 210
GoodOver: MONTEREY AVENUE
07-LA-210-R33.10-MNRO, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 258,000
STATE ROUTE 14
GoodOver: ACTON CANYON WASH
07-LA-014-R49.00, Los Angeles, CA
Built 1965 Load: 32.4 t ADT: 98,000
STATE ROUTE 14
GoodOver: RED ROVER WASH
07-LA-014-R47.20, Los Angeles, CA
Built 1965 Load: 32.4 t ADT: 98,000
E134-W2 CONNECTOR
GoodOver: BROADWAY
07-LA-134-R8.95-LA, Los Angeles, CA
Built 1976 Load: 32.4 t ADT: 25,852
STATE ROUTE 14
GoodOver: MOUNTAIN SPRINGS WASH
07-LA-014-R53.61, Los Angeles, CA
Built 1965 Load: 32.4 t ADT: 105,000
STATE ROUTE 210
GoodOver: SAN DIMAS CHANNEL
07-LA-210-R44.43-GDR, Los Angeles, CA
Built 1970 Load: 32.4 t ADT: 191,000
INTERSTATE 10
GoodOver: KELLOGG DRIVE
07-LA-010-42.10-POM, Los Angeles, CA
Built 1972 Load: 32.4 t ADT: 209,000
INTERSTATE 605 NB
GoodOver: SANTA FE FLOOD BASIN
07-LA-605-25.09-IRW, Los Angeles, CA
Built 1970 Load: 32.4 t ADT: 67,000
INTERSTATE 210
GoodOver: LITTLE DALTON WASH
07-LA-210-R39.80-AZU, Los Angeles, CA
Built 1969 Load: 32.4 t ADT: 250,000
N14-NEWHALL WB OFF
GoodOver: NEWHALL AVENUE
07-LA-014-R27.04, Los Angeles, CA
Built 1971 Load: 32.4 t ADT: 1,500
STATE ROUTE 14
GoodOver: AVENUE S DRAIN
07-LA-014-R58.10, Los Angeles, CA
Built 1966 Load: 32.4 t ADT: 80,000
STATE ROUTE 14
GoodOver: AVENUE Q DRAIN
07-LA-014-R60.50-PMDL, Los Angeles, CA
Built 1966 Load: 32.4 t ADT: 89,000
SR 138 (PALMDALE)
GoodOver: RAILROAD DITCH
07-LA-138-44.36-PMDL, Los Angeles, CA
Built 1960 Load: 32.4 t ADT: 23,500
ROUTE 118
GoodOver: BORDEN AVE
07-LA-118-R13.44-LA, Los Angeles, CA
Built 1975 Load: 32.4 t ADT: 115,000
STATE ROUTE 91
GoodOver: OBISPO AVE
07-LA-091-R13.86-LBCH, Los Angeles, CA
Built 1970 Load: 32.4 t ADT: 270,000
STATE ROUTE 118
GoodOver: GLENOAKS BLVD
07-LA-118-R13.18-LA, Los Angeles, CA
Built 1975 Load: 32.4 t ADT: 115,000
STATE ROUTE 60
GoodOver: PECK ROAD STORM DRAIN
07-LA-060-10.96-SEMT, Los Angeles, CA
Built 1966 Load: 32.4 t ADT: 232,000
INTERSTATE 5
GoodOver: WILEY CANYON CHANNEL
07-LA-005-R49.20, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 206,377
STATE ROUTE 57
GoodOver: BREA CANYON RD
07-LA-057-R0.91-DMBR, Los Angeles, CA
Built 1972 Load: 32.4 t ADT: 203,000
W138-S5 & N5-E138
GoodOver: GORMAN CREEK CHANNEL
07-LA-138-0.18R, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 4,450
STATE ROUTE 138
GoodOver: GORMAN CREEK CHANNEL
07-LA-138-0.06L, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 4,450
INTERSTATE 5
GoodOver: GORMAN CREEK CHANNEL
07-LA-005-R84.90, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 75,415
STATE ROUTE 118
GoodOver: PACOIMA WASH
07-LA-118-R11.65L-LA, Los Angeles, CA
Built 1969 Load: 32.4 t ADT: 133,500
STATE ROUTE 60
GoodOver: HACIENDA CREEK
07-LA-060-15.69, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 241,000
STATE ROUTE 60
GoodOver: ROWLAND CHANNEL
07-LA-060-17.64, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 240,000
STATE ROUTE 60
GoodOver: FULLERTON CHANNEL
07-LA-060-19.33-IDY, Los Angeles, CA
Built 1966 Load: 32.4 t ADT: 204,000
SB FULLERTON-EB 60
GoodOver: FULLERTON CHANNEL
07-LA-060-19.38-IDY, Los Angeles, CA
Built 1966 Load: 32.4 t ADT: 6,300
STATE ROUTE 118
GoodOver: EAST CANYON CHANNEL
07-LA-118-R11.40R-LA, Los Angeles, CA
Built 1969 Load: 32.4 t ADT: 122,000
ROUTE 118
GoodOver: HAYVENHURST AVE
07-LA-118-R8.34-LA, Los Angeles, CA
Built 1976 Load: 32.4 t ADT: 254,000
ROUTE 118
GoodOver: GAYNOR AVENUE
07-LA-118-R9.33-LA, Los Angeles, CA
Built 1977 Load: 32.4 t ADT: 254,000
ROUTE 118
GoodOver: HASKELL AVENUE
07-LA-118-R9.57-LA, Los Angeles, CA
Built 1977 Load: 32.4 t ADT: 254,000
E118-S405 CONNECTO
GoodOver: CHATSWORTH STREET
07-LA-118-R9.70-LA, Los Angeles, CA
Built 1977 Load: 32.4 t ADT: 24,600
ROUTE 118
GoodOver: CHATSWORTH DR
07-LA-118-R10.51-LA, Los Angeles, CA
Built 1976 Load: 32.4 t ADT: 122,000
ROUTE 118
GoodOver: FOX STREET
07-LA-118-R10.83-LA, Los Angeles, CA
Built 1976 Load: 32.4 t ADT: 122,000
E210 ONRAMP
GoodOver: WALTONIA DRIVE
07-LA-210-R18.57, Los Angeles, CA
Built 1972 Load: 32.4 t ADT: 5,300
INTERSTATE 210
GoodOver: WENTWORTH STREET
07-LA-210-R10.71-LA, Los Angeles, CA
Built 1980 Load: 32.4 t ADT: 113,000
SB FULLERTON-EB 60
GoodOver: FULLERTON CHANNEL
07-LA-060-19.45-IDY, Los Angeles, CA
Built 1966 Load: 32.4 t ADT: 36,600
INTERSTATE 210
GoodOver: SUNLAND BLVD
07-LA-210-R11.08-LA, Los Angeles, CA
Built 1980 Load: 32.4 t ADT: 113,000
STATE ROUTE 14
GoodOver: AVE G DRAIN 1
07-LA-014-R71.20, Los Angeles, CA
Built 1968 Load: 32.4 t ADT: 37,500
Showing 20,801-20,850 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.