County profile · official public datasets

Yuba County, CA

127 public highway bridges tracked in the FHWA National Bridge Inventory: 37.8% rated Good, 55.9% Fair, 6.3% Poor.

127
Public bridges
37.8%
Good condition
6.3%
Poor condition

The verdict

According to the Federal Highway Administration's 2024 National Bridge Inventory.

Yuba County posts a better-than-median Poor-condition share among rated counties in the state across mid-size county bridge inventory.

Top 45%
lowest Poor share in state
6.3%
Poor-condition share
127
public highway bridges
1967
avg year built

Poor is an FHWA condition category from the lowest applicable component rating (4 or below), not a live crossing-safety or closure decision. Rankings cover counties with at least five public highway bridges.

Yuba County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Yuba County ranks #26 of 58 California counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 6.3%). Yuba County, California contains 127 public highway bridges. Roughly 37.8% are rated “Good,” 55.9% “Fair,” and 6.3% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

Total bridges

127

Public highway bridges in Yuba County

Good condition

37.8%

48 of 127 rated 7-9

Fair condition

55.9%

71 of 127 rated 5-6

Poor condition

6.3%

8 of 127 rated 4 or below

In-state Poor-share rank

#26 of 58

Among California counties with 5+ bridges, lower share ranks better

Condition distribution

Share of 127 NBI-tracked bridges by lowest applicable component rating.

Good
37.8% (48)
Fair
55.9% (71)
Poor
6.3% (8)

Yuba County's Poor-condition bridges carry 21,560 vehicle crossings a day

That is 3.8% of the county's reported daily bridge traffic on 6.3% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 2,695 crossings a day against 6,925 for a Good-condition one. A Poor rating is a condition category, not a closure or a live safety judgement; it means the lowest applicable component rating is 4 or below.

Computed over the 127 of 127 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

59.8% of Yuba County's bridges have passed the 50-year mark

76 of the 127 bridges with a recorded construction year were built in 1974 or earlier. Age alone is not a defect: a well-maintained older bridge can rate Good, and 37.8% of this county's inventory does. Even so, this older cohort is the population from which future Poor ratings are drawn, which is why the age profile below matters alongside the condition split above.

Cutoff derives from the 2024 release year minus a 50-year design life. Source: FHWA National Bridge Inventory, 2024 release.

One structure carries 53.9% of the county's Poor-condition bridge traffic

SIMPSON LN over YUBA RIVER, built 1957, carries 11,630 vehicles a day, the most of any Poor-rated structure here. The county's Poor-condition exposure is concentrated rather than evenly spread, so the 8-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 21,560 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.

When Yuba County's bridges were built

127 bridges with a recorded construction year, grouped by decade

bridges

What this shows Construction peaked in the 1920s, when 17 of the county's bridges still in the inventory were built, which is 13.4% of those with a recorded year. That cohort is now 95 to 104 years old in the 2024 inventory. Its average build year (1967) matches the California average (1970).

Source FHWA National Bridge Inventory (year built) As of 2024 NBI release

How Yuba County compares with California's closest counties by inventory size

The 5 California counties nearest Yuba County in number of bridges, with their condition splits. Its 6.3% Poor share is the 1st-lowest of these 6. Its average build year of 1967 against a peer-group mean of 1969 is in line with the group.

Showing the 5 closest of 57 California counties eligible for comparison.

Bridge inventory size and condition shares for Yuba County and the 5 California counties closest to it in inventory size
County Bridges Poor
San Francisco County 143 14.7%
Nevada County 135 14.1%
Lake County 129 7.8%
Yuba County (this page) 127 6.3%
Tuolumne County 125 7.2%
Sutter County 121 13.2%

Each share is of that county's own total tracked bridges; peers are the counties with 5 or more bridges whose inventory size is closest to Yuba County's. Source: FHWA National Bridge Inventory, 2024 release.

Nationwide counties with similar inventory size or average build year

Two NBI-derived peer sets for Yuba County, both outside California so the neighborhoods are not the same-state size table above.

Similar inventory size

Nearest county inventories outside CA (127 bridges here).

Similar average build year

Nearest mean year-built outside CA (1967 here).

Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.

All bridges (127)

LOS VERJELES RD

Fair

Over: SOUTH HONCUT CREEK

AT BUTTE COUNTY LINE, Yuba, CA

Built 1940 Load: 6.8 t ADT: 730

WALDO RD

Fair

Over: DRY CREEK

1.9 MI S CHUCK YEAGER RD, Yuba, CA

Built 1901 Load: 8.4 t ADT: 220

TIMBUCTOO ROAD

Fair

Over: DEEP RAVINE NO 2

0.1 MI N/W OF SR 20, Yuba, CA

Built 1903 Load: 8.4 t ADT: 50

PIKE CITY RD

Fair

Over: OREGON CREEK

1 MI E COMPTONVILLE, Yuba, CA

Built 1958 Load: 8.7 t ADT: 10

OLD 40 MILE RD

Fair

Over: EAST BEST SLOUGH

0.4 MI E OF 40 MI RD, Yuba, CA

Built 1927 Load: 13.3 t ADT: 50

FEATHER RIVER BLVD

Fair

Over: LAKE OF THE WOODS SLOUGH

1.8 MI WEST OF S.R. 70, Yuba, CA

Built 1926 Load: 15.9 t ADT: 770

FORTY MILE RD

Fair

Over: BEST SLOUGH

0.3 MI S PLUMAS ARBOGA RD, Yuba, CA

Built 1948 Load: 16.2 t ADT: 1,630

NORTH BEALE RD

Fair

Over: NORTH FORK REEDS CREEK

3.9 MI E LINDA AVE, Yuba, CA

Built 1935 Load: 16.2 t ADT: 3,900

NORTH BEALE RD

Fair

Over: BEALE AFB SLOUGH

4.8 MI E/O LINDA AVE, Yuba, CA

Built 1935 Load: 16.2 t ADT: 3,900

VIRGINIA RD

Fair

Over: SOUTH FORK REEDS CREEK

0.4 MI SOUTH ERLE RD, Yuba, CA

Built 1920 Load: 16.2 t ADT: 570

RANCHO RD

Fair

Over: KIMBALL CREEK

.7 MI SE/O OSTROM RD, Yuba, CA

Built 1925 Load: 16.2 t ADT: 230

RANCHO RD

Fair

Over: REEDS CREEK OVERFLOW

.6 MI NW/O OSTROM RD, Yuba, CA

Built 1925 Load: 16.2 t ADT: 1,700

RANCHO RD

Fair

Over: REEDS CREEK

0.8 MI N/W OSTROM RD, Yuba, CA

Built 1925 Load: 16.2 t ADT: 1,700

ERLE RD

Fair

Over: SOUTH FORK REEDS CREEK

1.7 MI E/O VIRGINIA RD, Yuba, CA

Built 1927 Load: 16.2 t ADT: 190

SCOTT GRANT RD

Fair

Over: TENNESSEE CREEK

1 MI NW OF MARYSVILLE RD, Yuba, CA

Built 1921 Load: 16.2 t ADT: 180

SPENCEVILLE RD

Fair

Over: DRY CREEK

0.8 MI E OF WALDO RD, Yuba, CA

Built 1920 Load: 16.2 t ADT: 50

FRENCHTOWN RD

Fair

Over: DRY CREEK

2 1/3 MI N OF MARYSVILLE, Yuba, CA

Built 1930 Load: 16.2 t ADT: 430

SPRING VALLEY RD

Fair

Over: LITTLE DRY CREEK

0.3 MI W MARYSVILLE RD, Yuba, CA

Built 1920 Load: 16.2 t ADT: 190

ERLE RD

Fair

Over: SOUTH FORK REEDS CREEK

1 MI E/O VIRGINIA RD, Yuba, CA

Built 1909 Load: 16.5 t ADT: 190

HALE RD

Fair

Over: REEDS CREEK

0.6 MI E BERNICE AVE, Yuba, CA

Built 1930 Load: 17.2 t ADT: 80

FRUITLAND RD

Fair

Over: PRAIRIE CREEK

0.9 MI S BUTTE CO LINE, Yuba, CA

Built 1920 Load: 17.8 t ADT: 400

OLD 40 MILE RD

Fair

Over: WEST BEST SLOUGH

0.3 MI E OF 40 MI RD, Yuba, CA

Built 1927 Load: 18.1 t ADT: 50

ERLE RD

Fair

Over: NORTH FORK REEDS CREEK

.8 MI NW/O VIRGINIA RD, Yuba, CA

Built 1930 Load: 18.1 t ADT: 800

BLACKFORD RD

Fair

Over: BEAR R CAMP FARWEST WIER

NEAR PLACER CO LINE, Yuba, CA

Built 1916 Load: 23.3 t ADT: 540

OREGON HILL RD

Fair

Over: LITTLE OREGON CREEK

6.5 MI N JCT MARYSVILE RD, Yuba, CA

Built 1967 Load: 24.3 t ADT: 62

LINDA AVE

Fair

Over: DRAINAGE CANAL

.1 MI N/O N BEALE RD, Yuba, CA

Built 1960 Load: 24.3 t ADT: 3,400

LOMA RICA RD

Fair

Over: PRAIRIE CREEK

1.1 MI SW FRUITLAND RD, Yuba, CA

Built 1965 Load: 24.3 t ADT: 2,760

VIERRA RD

Fair

Over: SOUTH HONCUT CREEK

0.3 MI S OF LA PORTE RD, Yuba, CA

Built 1950 Load: 24.3 t ADT: 150

LA PORTE ROAD

Fair

Over: SOUTH HONCUT CREEK

2 MI SW OF WILLOW GLEN RD, Yuba, CA

Built 1972 Load: 24.3 t ADT: 390

FORSYTHE RD

Fair

Over: INDIANA CREEK

3 MI N OF MARYSVILLE RD, Yuba, CA

Built 1975 Load: 25.3 t ADT: 100

STATE ROUTE 65

Fair

Over: GRASSHOPPER SLOUGH

03-YUB-065-1.80-WHT, Yuba, CA

Built 1915 Load: 25.6 t ADT: 25,000

STATE ROUTE 65

Fair

Over: REEDS CREEK

03-YUB-065-R7.61, Yuba, CA

Built 1971 Load: 26.9 t ADT: 15,000

STATE ROUTE 65

Fair

Over: REEDS CREEK

03-YUB-065-R7.61, Yuba, CA

Built 1971 Load: 26.9 t ADT: 15,000

MARYSVILLE RD

Fair

Over: DRY CREEK (COLLINS LAKE)

0.4 MI E WILLOWS GLEN RD, Yuba, CA

Built 1963 Load: 27.9 t ADT: 2,860

RIDGE RD

Fair

Over: OREGON CREEK

0.1 MI E OF S.R. 49, Yuba, CA

Built 1969 Load: 28.5 t ADT: 540

MARYSVILLE RD

Fair

Over: NORTH YUBA RIVER

6.2 MI EAST OF DOBBINS, Yuba, CA

Built 1970 Load: 28.8 t ADT: 670

NORTH EARL ROAD

Fair

Over: HUTCHINSON CREEK

0.7 MILES NORTH OF INTERS, Yuba, CA

Built 2010 Load: 29.0 t ADT: 50

FORTY MILE RD

Fair

Over: DRY CREEK

1.0 MI SOUTH OF DAIRY RD, Yuba, CA

Built 1948 Load: 30.1 t ADT: 1,630

WEEDS POINTS RD

Fair

Over: WILLOW CREEK

0.9 MI NW OF SH 49, Yuba, CA

Built 1950 Load: 30.8 t ADT: 30

DOOLITTLE DRIVE

Fair

Over: BRANCH OF HUTCHINSON CRE

250 FEET SOUTH OF INTERSE, Yuba, CA

Built 1942 Load: 30.8 t ADT: 4,100

MCGOWAN ROAD

Fair

Over: STATE ROUTE 70

03-YUB-070-R7.34, Yuba, CA

Built 1967 Load: 31.8 t ADT: 8,100

STATE ROUTE 20

Fair

Over: YUBA RIVER TIMBUCTOO PL

03-YUB-020-R17.73, Yuba, CA

Built 1993 Load: 32.4 t ADT: 7,800

STATE ROUTE 70 EB

Fair

Over: UP RR BNSF RY PLUMAS-AR

03-YUB-070-R3.92, Yuba, CA

Built 2004 Load: 32.4 t ADT: 8,000

ERLE ROAD

Fair

Over: STATE ROUTE 70

03-YUB-070-R10.16, Yuba, CA

Built 1980 Load: 32.4 t ADT: 2,000

STATE ROUTE 20

Fair

Over: SMARTSVILLE FARM CANAL

03-YUB-020-R20.92, Yuba, CA

Built 2019 Load: 32.4 t ADT: 8,421

LOMA RICA RD

Fair

Over: JACK SLOUGH

0.8 MI N OF SR 20, Yuba, CA

Built 1957 Load: 32.4 t ADT: 2,670

ERLE ROAD

Fair

Over: UP RR & AMTRAK

0.1 MI EAST OF S.R. 70, Yuba, CA

Built 1980 Load: 32.4 t ADT: 2,890

MATHEWS LANE

Fair

Over: JACK SLOUGH

0.7 MI N WOODRUFF LANE, Yuba, CA

Built 1988 Load: 32.4 t ADT: 1,470

FRUITLAND RD

Fair

Over: LITTLE DRY CREEK

0.5 MI NW MARYSVILLE RD, Yuba, CA

Built 1987 Load: 32.4 t ADT: 1,030

RIVERBANK DRIVE

Fair

Over: OLIVEHURST CANAL

1/4 MI E OF EDGEWATER CIR, Yuba, CA

Built 2007 Load: 32.4 t ADT: 1,200
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.