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
SACREGIONALTRANSIT
UnknownOver: SUNRISE BLVD
50 FT S/O FOLSOM BLVD, Sacramento, CA
Built 2003 ADT: 46,118
JOHNNY CASH TRAIL
UnknownOver: FOLSOM LAKE CROSSING
N OF EAST NATOMA ST, Sacramento, CA
Built 2014 ADT: 15,000
SACREGIONALTRANSIT
UnknownOver: FLORIN RD
0.6 MI W/O FRANKLIN BLVD, Sacramento, CA
Built 2003 ADT: 29,494
SACREGIONALTRANSIT
UnknownOver: WATT AVE
50' SE/O FOLSOM BLVD, Sacramento, CA
Built 2007 ADT: 46,424
SACREGIONALTRANSIT
UnknownOver: COSUMNES RIVER BLVD
350' W/O BRUCEVILLE RD, Sacramento, CA
Built 2014 ADT: 22,788
LOMERIAS RD
UnknownOver: U.S. HIGHWAY 101
05-SBT-101-R6.48, San Benito, CA
Built 1969 ADT: 51,000
STATE ROUTE 156
UnknownOver: US HWY 101 (@PM 3.02)
05-SBT-156-0.01, San Benito, CA
Built 1958 ADT: 45,000
STATE ROUTE 129
UnknownOver: US HWY 101 (@PM R4.90)
05-SBT-129-R2.63, San Benito, CA
Built 1968 ADT: 7,000
SAN JUAN ROAD
UnknownOver: U.S. HIGHWAY 101, CREEK
05-SBT-101-0.13, San Benito, CA
Built 2014 ADT: 45,000
INTERSTATE 10 WB
UnknownOver: E10-VALLEY BLVD OFF-RAMP
08-SBD-010-11.50, San Bernardino, CA
Built 1947 ADT: 6,500
INTERSTATE 10 EB
UnknownOver: E10-VALLEY BLVD OFF-RAMP
08-SBD-010-11.50, San Bernardino, CA
Built 1966 ADT: 6,500
STATE ROUTE 18
UnknownOver: STATE ROUTE 330
08-SBD-018-31.64, San Bernardino, CA
Built 1951 ADT: 14,500
CEDAR AVENUE
UnknownOver: INTERSTATE 10
08-SBD-010-R18.49-SBD, San Bernardino, CA
Built 1967 ADT: 177,000
STATE ROUTE 210 WB
UnknownOver: STATE STREET
08-SBD-210-20.69-SBD, San Bernardino, CA
Built 2007 ADT: 6,000
STATE ROUTE 210 EB
UnknownOver: STATE STREET
08-SBD-210-20.69-SBD, San Bernardino, CA
Built 2007 ADT: 6,000
STATE ST-E210 ONRP
UnknownOver: STATE STREET
08-SBD-210-20.69-SBD, San Bernardino, CA
Built 2007 ADT: 6,000
HALLORAN SPRNGS RD
UnknownOver: INTERSTATE 15
08-SBD-015-149.60, San Bernardino, CA
Built 1961 ADT: 37,000
HALLORAN SUMMIT RD
UnknownOver: INTERSTATE 15
08-SBD-015-155.57, San Bernardino, CA
Built 1961 ADT: 72,000
UP RR,AMTRAK,METRO
UnknownOver: ST RTE 83 (EUCLID AVE)
08-SBD-083-9.24-ONT, San Bernardino, CA
Built 1984 ADT: 29,000
UP RR,AMTRAK,METRO
UnknownOver: ST RTE 83 (EUCLID AVE)
08-SBD-083-9.33-ONT, San Bernardino, CA
Built 1984 ADT: 29,000
CIMA ROAD
UnknownOver: INTERSTATE 15
08-SBD-015-162.73, San Bernardino, CA
Built 1961 ADT: 37,000
AFTON ROAD
UnknownOver: INTERSTATE 15
08-SBD-015-R111.59, San Bernardino, CA
Built 1964 ADT: 44,000
BASIN ROAD
UnknownOver: INTERSTATE 15
08-SBD-015-R120.43, San Bernardino, CA
Built 1964 ADT: 75,000
RASOR ROAD
UnknownOver: INTERSTATE 15
08-SBD-015-R124.24, San Bernardino, CA
Built 1965 ADT: 47,000
ZZYZX ROAD
UnknownOver: INTERSTATE 15
08-SBD-015-R130.18, San Bernardino, CA
Built 1965 ADT: 80,000
INTERSTATE 10 WB
UnknownOver: W10-HOLT BLVD OFF-RAMP
08-SBD-010-6.80-ONT, San Bernardino, CA
Built 1966 ADT: 12,700
INTERSTATE 10 EB
UnknownOver: W10-HOLT BLVD OFF-RAMP
08-SBD-010-6.80-ONT, San Bernardino, CA
Built 1952 ADT: 12,700
INTERSTATE 10
UnknownOver: GROVE AVENUE
08-SBD-010-4.88-ONT, San Bernardino, CA
Built 1954 ADT: 25,000
STATE ROUTE 83
UnknownOver: INTERSTATE 10
08-SBD-083-11.10-UPL, San Bernardino, CA
Built 1970 ADT: 243,000
INTERSTATE 10
UnknownOver: BENSON AVENUE
08-SBD-010-1.75-MCL, San Bernardino, CA
Built 1953 ADT: 15,000
INTERSTATE 10
UnknownOver: MILLS AVENUE
08-SBD-010-0.01-MCL, San Bernardino, CA
Built 1953 ADT: 9,000
MOUNT VERNON AVE
UnknownOver: INTERSTATE 10
08-SBD-010-R23.25-COL, San Bernardino, CA
Built 1967 ADT: 20,100
INTERSTATE 10
UnknownOver: LA CADENA DRIVE
08-SBD-010-R22.62-COL, San Bernardino, CA
Built 1956 ADT: 20,000
I-10 EB OFF RAMP
UnknownOver: LA CADENA DRIVE
08-SBD-010-R22.62-COL, San Bernardino, CA
Built 1970 ADT: 20,000
ETIWANDA AVENUE
UnknownOver: INTERSTATE 10
08-SBD-010-11.13-ONT, San Bernardino, CA
Built 1955 ADT: 19,000
STATE ROUTE 18
UnknownOver: INTERSTATE 15
08-SBD-018-R96.60-VCTV, San Bernardino, CA
Built 1975 ADT: 94,000
S215-E&W10 CONNCTR
UnknownOver: FAIRWAY, SANTA ANA RIVER
08-SBD-215-4.21-COL, San Bernardino, CA
Built 1964 ADT: 1,400
INTERSTATE 215 SB
UnknownOver: FAIRWAY, SANTA ANA RIVER
08-SBD-215-4.21-COL, San Bernardino, CA
Built 1958 ADT: 1,450
INTERSTATE 215 NB
UnknownOver: FAIRWAY, SANTA ANA RIVER
08-SBD-215-4.21-COL, San Bernardino, CA
Built 1972 ADT: 1,450
ORANGE SHOW ROAD
UnknownOver: INTERSTATE 215 & RAMPS
08-SBD-215-5.03-SBD, San Bernardino, CA
Built 1972 ADT: 155,000
INTERSTATE 215 SB
UnknownOver: INTERSTATE 10
08-SBD-215-4.03-COL, San Bernardino, CA
Built 1972 ADT: 198,000
INTERSTATE 215 NB
UnknownOver: INTERSTATE 10
08-SBD-215-4.03-COL, San Bernardino, CA
Built 1972 ADT: 198,000
N215-E10 CONNECTOR
UnknownOver: UP RR, AMTRAK, STEEL RD
08-SBD-215-3.72-COL, San Bernardino, CA
Built 1959 ADT: 3,000
INTERSTATE 215 SB
UnknownOver: UP RR, AMTRAK, STEEL RD
08-SBD-215-3.72-COL, San Bernardino, CA
Built 1959 ADT: 3,000
INTERSTATE 215 NB
UnknownOver: UP RR, AMTRAK, STEEL RD
08-SBD-215-3.72-COL, San Bernardino, CA
Built 1973 ADT: 3,000
INTERSTATE 15
UnknownOver: BNSF RY,UP RR,AMTRAK,ETC
08-SBD-015-43.47-VCTV, San Bernardino, CA
Built 1958 ADT: 31,000
N15 CONN FROM SR18
UnknownOver: BNSF RY,UP RR,AMTRAK,ETC
08-SBD-015-43.48-VCTV, San Bernardino, CA
Built 2020 ADT: 31,000
INTERSTATE 215
UnknownOver: RIALTO AVENUE
08-SBD-215-6.66-SBD, San Bernardino, CA
Built 1957 ADT: 23,000
YUCAIPA BLVD
UnknownOver: INTERSTATE 10
08-SBD-010-35.50-YUCP, San Bernardino, CA
Built 1989 ADT: 134,000
INTERSTATE 215
UnknownOver: UNIVERSITY PARKWAY
08-SBD-215-11.63-SBD, San Bernardino, CA
Built 1958 ADT: 11,000
Showing 4,601-4,650 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 |