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
ARROWHEAD BLVD
UnknownOver: INTERSTATE 10
08-RIV-010-R150.16-BLY, Riverside, CA
Built 1972 ADT: 23,800
DEFRAIN BLVD
UnknownOver: INTERSTATE 10
08-RIV-010-R151.15-BLY, Riverside, CA
Built 1972 ADT: 26,000
INTERSTATE 10 WB
UnknownOver: BROADWAY
08-RIV-010-R152.65-BLY, Riverside, CA
Built 1972 ADT: 1,236
INTERSTATE 10 EB
UnknownOver: BROADWAY
08-RIV-010-R152.65-BLY, Riverside, CA
Built 1972 ADT: 1,236
PEDESTRIAN WALKWAY
UnknownOver: INTERSTATE 10
08-RIV-010-R152.86-BLY, Riverside, CA
Built 1972 ADT: 26,000
INTERSTATE 10 WB
UnknownOver: SEVENTH AVE
08-RIV-010-R153.16-BLY, Riverside, CA
Built 1972 ADT: 1,236
INTERSTATE 10 EB
UnknownOver: SEVENTH AVE
08-RIV-010-R153.16-BLY, Riverside, CA
Built 1972 ADT: 1,236
INTERSTATE 10 WB
UnknownOver: ROUTE 95
08-RIV-010-R154.15, Riverside, CA
Built 1972 ADT: 6,200
INTERSTATE 10 EB
UnknownOver: ROUTE 95
08-RIV-010-R154.15-BLY, Riverside, CA
Built 1972 ADT: 6,200
STATE ROUTE 60
UnknownOver: UP RR & MISSION BLVD
08-RIV-060-R1.80, Riverside, CA
Built 1973 ADT: 151,000
STATE ROUTE 60
UnknownOver: ETIWANDA AVE
08-RIV-060-R1.99, Riverside, CA
Built 1973 ADT: 10,000
MONROE ST
UnknownOver: INTERSTATE 10
08-RIV-010-R54.74-IND, Riverside, CA
Built 1972 ADT: 64,000
JACKSON ST
UnknownOver: INTERSTATE 10
08-RIV-010-R55.74-IND, Riverside, CA
Built 1972 ADT: 59,000
GOLF CENTER PKWY
UnknownOver: INTERSTATE 10
08-RIV-010-R56.95-IND, Riverside, CA
Built 1972 ADT: 66,000
INTERSTATE 10 WB
UnknownOver: DILLON ROAD
08-RIV-010-R58.89-COA, Riverside, CA
Built 1972 ADT: 7,000
N86-W10 CONNECTOR
UnknownOver: INTERSTATE 10 EB
08-RIV-086-R22.94-IND, Riverside, CA
Built 1972 ADT: 11,000
COUNTRY VILLAGE RD
UnknownOver: STATE ROUTE 60
08-RIV-060-R3.03, Riverside, CA
Built 1971 ADT: 170,000
INTERSTATE 15 SB
UnknownOver: OLD TEMESCAL ROAD
08-RIV-015-39.40, Riverside, CA
Built 1975 ADT: 800
INTERSTATE 15 NB
UnknownOver: OLD TEMESCAL ROAD
08-RIV-015-39.40, Riverside, CA
Built 1975 ADT: 800
CLINTON KEITH RD
UnknownOver: INTERSTATE 215
08-RIV-215-R12.51-MRTA, Riverside, CA
Built 1979 ADT: 83,000
I-15/SR-79 SB OFF
UnknownOver: TEMECULA PARKWAY
08-RIV-015-3.42-TMCA, Riverside, CA
Built 2018 ADT: 10,150
INTERSTATE 15 SB
UnknownOver: TEMECULA PARKWAY
08-RIV-015-3.42-TMCA, Riverside, CA
Built 1976 ADT: 10,150
INTERSTATE 15 NB
UnknownOver: TEMECULA PARKWAY
08-RIV-015-3.42-TMCA, Riverside, CA
Built 1976 ADT: 10,150
SANTIAGO ROAD
UnknownOver: INTERSTATE 15
08-RIV-015-4.12-TMCA, Riverside, CA
Built 1976 ADT: 152,000
RANCHO CALIFORNIA
UnknownOver: INTERSTATE 15
08-RIV-015-4.98-TMCA, Riverside, CA
Built 1976 ADT: 152,000
WINCHESTER ROAD
UnknownOver: INTERSTATE 15
08-RIV-015-6.62-TMCA, Riverside, CA
Built 1976 ADT: 129,500
MURRIETA HOT SP RD
UnknownOver: INTERSTATE 215 & RAMPS
08-RIV-215-R9.51-MRTA, Riverside, CA
Built 1977 ADT: 5,000
LOS ALAMOS RD
UnknownOver: INTERSTATE 215
08-RIV-215-R10.65-MRTA, Riverside, CA
Built 1979 ADT: 114,000
PEDLEY ROAD
UnknownOver: STATE ROUTE 60
08-RIV-060-R4.55, Riverside, CA
Built 1975 ADT: 170,000
BELLEGRAVE AVENUE
UnknownOver: INTERSTATE 15
08-RIV-015-49.36, Riverside, CA
Built 1988 ADT: 145,000
HIDDEN VALLEY PKWY
UnknownOver: INTERSTATE 15
08-RIV-015-42.88-NRCO, Riverside, CA
Built 1989 ADT: 156,000
INTERSTATE 15 SB
UnknownOver: SECOND STREET
08-RIV-015-43.64-NRCO, Riverside, CA
Built 1989 ADT: 12,000
INTERSTATE 15 NB
UnknownOver: SECOND STREET
08-RIV-015-43.64-NRCO, Riverside, CA
Built 1989 ADT: 12,000
FOURTH STREET
UnknownOver: INTERSTATE 15
08-RIV-015-44.66-NRCO, Riverside, CA
Built 1989 ADT: 150,000
FIFTH STREET
UnknownOver: INTERSTATE 15
08-RIV-015-45.14-NRCO, Riverside, CA
Built 1989 ADT: 150,000
SIXTH STREET
UnknownOver: INTERSTATE 15
08-RIV-015-45.60-NRCO, Riverside, CA
Built 1988 ADT: 152,000
E91-N15 CONNECTOR
UnknownOver: PARKRIDGE AVENUE
08-RIV-091-7.30-COR, Riverside, CA
Built 1988 ADT: 8,300
E60-N&S15 CONNECTR
UnknownOver: MILLIKEN AV-E60 ON-RAMP
08-RIV-060-R0.15, Riverside, CA
Built 1979 ADT: 3,635
S15-W60 CONNECTOR
UnknownOver: W60-MILLIKEN AV OFF-RAMP
08-RIV-015-51.54-COR, Riverside, CA
Built 1979 ADT: 1,700
E60-N15 CONNECTOR
UnknownOver: ROUTE 15 & ROUTE 60
08-RIV-060-R0.44, Riverside, CA
Built 1979 ADT: 162,000
S15-E60 CONNECTOR
UnknownOver: I-15, SR 60, & 3 RAMPS
08-RIV-015-51.40-COR, Riverside, CA
Built 1987 ADT: 153,000
W60-S15 CONNECTOR
UnknownOver: RTE 15, RTE 60, RIV. AVE
08-RIV-060-R0.54, Riverside, CA
Built 1987 ADT: 10,000
N15-W60 CONNECTOR
UnknownOver: STATE ROUTE 60
08-RIV-015-51.44-COR, Riverside, CA
Built 1987 ADT: 106,000
INTERSTATE 15 SB
UnknownOver: STATE ROUTE 60
08-RIV-015-51.45, Riverside, CA
Built 1979 ADT: 71,950
INTERSTATE 15 NB
UnknownOver: STATE ROUTE 60
08-RIV-015-51.45, Riverside, CA
Built 1987 ADT: 50,700
INTERSTATE 15 SB
UnknownOver: MISSION BLVD & UP RR
08-RIV-015-51.95, Riverside, CA
Built 1979 ADT: 5,000
INTERSTATE 15 NB
UnknownOver: MISSION BLVD & UP RR
08-RIV-015-51.95, Riverside, CA
Built 1979 ADT: 5,000
INTERSTATE 15
UnknownOver: PHILADELPHIA STREET
08-RIV-015-52.27, Riverside, CA
Built 1979 ADT: 4,000
DETROIT STREET
UnknownOver: INTERSTATE 15
08-RIV-015-45.89-NRCO, Riverside, CA
Built 1988 ADT: 150,000
MURIETTA HOT SPR
UnknownOver: INTERSTATE 15
08-RIV-015-9.47, Riverside, CA
Built 1977 ADT: 125,000
Showing 4,201-4,250 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 |