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
JURUPA STREET
UnknownOver: INTERSTATE 15
08-SBD-015-1.01-ONT, San Bernardino, CA
Built 1977 ADT: 198,000
INTERSTATE 15 SB
UnknownOver: ETIWANDA AVENUE
08-SBD-015-5.97-RCUC, San Bernardino, CA
Built 1976 ADT: 10,800
INTERSTATE 15 NB
UnknownOver: ETIWANDA AVENUE
08-SBD-015-5.97-RCUC, San Bernardino, CA
Built 1976 ADT: 10,800
INTERSTATE 15 SB
UnknownOver: BASELINE ROAD
08-SBD-015-6.71-RCUC, San Bernardino, CA
Built 1976 ADT: 31,000
INTERSTATE 15 NB
UnknownOver: BASELINE ROAD
08-SBD-015-6.71-RCUC, San Bernardino, CA
Built 1976 ADT: 10,000
N15-BASELINE OFFRP
UnknownOver: EAST AVENUE
08-SBD-015-6.70-RCUC, San Bernardino, CA
Built 1976 ADT: 10,000
SUMMIT AVENUE
UnknownOver: INTERSTATE 15
08-SBD-015-9.60-RCUC, San Bernardino, CA
Built 1999 ADT: 160,000
DUNCAN CANYON ROAD
UnknownOver: INTERSTATE 15
08-SBD-015-11.03-FNA, San Bernardino, CA
Built 1976 ADT: 127,000
INTERSTATE 15 SB
UnknownOver: SIERRA AVENUE
08-SBD-015-12.84-FNA, San Bernardino, CA
Built 1976 ADT: 5,000
INTERSTATE 15 NB
UnknownOver: SIERRA AVENUE
08-SBD-015-12.84-FNA, San Bernardino, CA
Built 1976 ADT: 5,000
ARZC RR & BNSF RY
UnknownOver: STATE ROUTE 62
08-SBD-062-142.46, San Bernardino, CA
Built 1907 ADT: 6,426
STATE STREET
UnknownOver: ST RTE 83 (EUCLID AVE)
08-SBD-083-9.23-ONT, San Bernardino, CA
Built 1984 ADT: 27,000
STATE ROUTE 60
UnknownOver: MILLIKEN AVENUE
08-SBD-060-R9.94-ONT, San Bernardino, CA
Built 1972 ADT: 18,780
STATE ROUTE 210 WB
UnknownOver: HIGHLAND AVE & ARDEN AVE
08-SBD-210-R26.76-SBD, San Bernardino, CA
Built 1992 ADT: 27,000
STATE ROUTE 210 EB
UnknownOver: HIGHLAND AVE & ARDEN AVE
08-SBD-210-R26.73-SBD, San Bernardino, CA
Built 1992 ADT: 8,400
STATE ROUTE 210 WB
UnknownOver: VICTORIA AVENUE
08-SBD-210-R27.39-HIGH, San Bernardino, CA
Built 1992 ADT: 19,000
STATE ROUTE 210 EB
UnknownOver: VICTORIA AVENUE
08-SBD-210-R27.39-HIGH, San Bernardino, CA
Built 1992 ADT: 19,000
CENTRAL AVENUE
UnknownOver: STATE ROUTE 210
08-SBD-210-R27.90-SBD, San Bernardino, CA
Built 1992 ADT: 100,000
PALM AVENUE
UnknownOver: STATE ROUTE 210
08-SBD-210-R28.40-SBD, San Bernardino, CA
Built 1992 ADT: 100,000
BASELINE ROAD
UnknownOver: STATE ROUTE 210
08-SBD-210-R29.32-HIGH, San Bernardino, CA
Built 1992 ADT: 76,000
STATE ROUTE 210 WB
UnknownOver: FIFTH STREET
08-SBD-210-R30.23-HIGH, San Bernardino, CA
Built 1992 ADT: 18,000
STATE ROUTE 210 EB
UnknownOver: FIFTH STREET
08-SBD-210-R30.23-HIGH, San Bernardino, CA
Built 1992 ADT: 18,000
STATE ROUTE 330
UnknownOver: BOULDER AVENUE
08-SBD-330-R29.28-HIGH, San Bernardino, CA
Built 1993 ADT: 6,500
HIGHLAND AVENUE
UnknownOver: STATE HIGHWAY 330
08-SBD-330-R29.60-HIGH, San Bernardino, CA
Built 1993 ADT: 11,000
ORANGE STREET
UnknownOver: STATE ROUTE 210
08-SBD-210-R28.15-SBD, San Bernardino, CA
Built 1992 ADT: 100,000
PEDESTRIAN WALKWAY
UnknownOver: W210-N330 CONNECTOR RAMP
08-SBD-210-R28.73-HIGH, San Bernardino, CA
Built 1992 ADT: 10,200
S330-E210CONNECTOR
UnknownOver: E210-N330 CONNECTOR RAMP
08-SBD-330-R28.78-SBD, San Bernardino, CA
Built 1993 ADT: 10,000
S330-E210 CONNECTR
UnknownOver: SR-210, PACIFIC AV POC
08-SBD-330-R28.70-SBD, San Bernardino, CA
Built 1992 ADT: 100,000
PEDESTRIAN WALKWAY
UnknownOver: STATE ROUTE 210
08-SBD-210-R28.70-HIGH, San Bernardino, CA
Built 1992 ADT: 100,000
E210-N330 CONNECTR
UnknownOver: STATE ROUTE 210
08-SBD-210-R28.66-SBD, San Bernardino, CA
Built 1992 ADT: 100,000
N71-W60 CONNECTOR
UnknownOver: PEYTON DRIVE
08-SBD-071-R0.13-CHNH, San Bernardino, CA
Built 1997 ADT: 10,000
STATE ROUTE 71 NB
UnknownOver: PEYTON DRIVE
08-SBD-071-R0.14-CHNH, San Bernardino, CA
Built 1997 ADT: 10,000
STATE HWY 71 SB
UnknownOver: PEYTON DRIVE
08-SBD-071-R0.13-CHNH, San Bernardino, CA
Built 1996 ADT: 10,000
ARCHIBALD OFF RAMP
UnknownOver: E HOLT BLVD-E10 ON-RAMP
08-SBD-010-6.90-ONT, San Bernardino, CA
Built 1996 ADT: 9,500
N71-W60 CONNECTOR
UnknownOver: GAREY AVE-NB 71 ON RAMP
08-SBD-071-R0.06-CHNH, San Bernardino, CA
Built 1997 ADT: 1,000
STATE ROUTE 58 WB
UnknownOver: WEST MAIN STREET
08-SBD-058-R33.65-BSW, San Bernardino, CA
Built 1997 ADT: 5,000
STATE ROUTE 58 EB
UnknownOver: WEST MAIN STREET
08-SBD-058-R33.65-BSW, San Bernardino, CA
Built 1997 ADT: 5,000
INTERSTATE 15 SB
UnknownOver: STATE ROUTE 58
08-SBD-015-70.10-BSW, San Bernardino, CA
Built 1996 ADT: 12,600
INTERSTATE 15 NB
UnknownOver: STATE ROUTE 58
08-SBD-015-70.10-BSW, San Bernardino, CA
Built 1996 ADT: 12,600
INTERSTATE 15 SB
UnknownOver: L STREET
08-SBD-015-71.60-BSW, San Bernardino, CA
Built 1998 ADT: 400
INTERSTATE 15 NB
UnknownOver: L STREET
08-SBD-015-71.60-BSW, San Bernardino, CA
Built 1998 ADT: 400
ROY ROGERS DRIVE
UnknownOver: INTERSTATE 15
08-SBD-015-41.43-VCTV, San Bernardino, CA
Built 1993 ADT: 94,000
STATE ROUTE 71
UnknownOver: CHINO AVENUE
08-SBD-071-R0.91-CHNH, San Bernardino, CA
Built 1997 ADT: 15,000
CHINO AVE-NB 71 ON
UnknownOver: CHINO AVENUE
08-SBD-071-R0.90-CHNH, San Bernardino, CA
Built 1997 ADT: 15,000
STATE HIGHWAY 71
UnknownOver: GRAND AVENUE
08-SBD-071-R1.82-CHNH, San Bernardino, CA
Built 1997 ADT: 20,000
STATE ROUTE 71
UnknownOver: PIPELINE AVE,CHINO CREEK
08-SBD-071-R2.67-CHNH, San Bernardino, CA
Built 1997 ADT: 9,400
STATE HIGHWAY 71
UnknownOver: RAMONA AVENUE
08-SBD-071-R3.55-CHNH, San Bernardino, CA
Built 1997 ADT: 8,000
STATE HIGHWAY 71
UnknownOver: CHINO HILLS PARKWAY
08-SBD-071-R3.35-CHNH, San Bernardino, CA
Built 1997 ADT: 19,000
SOQUEL CANYON PKWY
UnknownOver: STATE ROUTE 71
08-SBD-071-R4.93-CHNH, San Bernardino, CA
Built 1997 ADT: 71,000
PINE AVENUE
UnknownOver: STATE ROUTE 71
08-SBD-071-R6.50-CHNH, San Bernardino, CA
Built 1997 ADT: 74,000
Showing 4,851-4,900 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 |