Colusa County, CA

211 public highway bridges

Colusa County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Colusa County, California contains 211 public highway bridges. Roughly 37.4% are rated “Good,” 48.3% “Fair,” and 6.2% “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.

211
Total Bridges
37.4%
Good
48.3%
Fair
6.2%
Poor Condition

Condition Distribution

Good
37.4% (79)
Fair
48.3% (102)
Poor
6.2% (13)

All Bridges (211)

STATE ROUTE 20

Unknown

Over: 7TH ST, CNFR, E SIDE CNL

03-COL-020-R21.85, Colusa, CA

Built 1971 ADT: 500

HALL ST

Unknown

Over: INTERSTATE ROUTE 5

03-COL-005-7.15, Colusa, CA

Built 1957 ADT: 28,500

LENAHAN ROAD

Unknown

Over: INTERSTATE 5

03-COL-005-R30.85, Colusa, CA

Built 1970 ADT: 25,000

DELEVAN ROAD

Unknown

Over: INTERSTATE 5

03-COL-005-R31.84, Colusa, CA

Built 1970 ADT: 25,000

HARRINGTON ROAD

Unknown

Over: INTERSTATE 5

03-COL-005-R2.30, Colusa, CA

Built 1967 ADT: 30,000

GREENBAY ROAD

Unknown

Over: INTERSTATE 5

03-COL-005-R3.15, Colusa, CA

Built 1967 ADT: 30,000

HAHN ROAD

Unknown

Over: INTERSTATE 5

03-COL-005-R10.31, Colusa, CA

Built 1967 ADT: 28,500

MEYERS ROAD

Unknown

Over: INTERSTATE ROUTE 5

03-COL-005-R13.75, Colusa, CA

Built 1967 ADT: 28,500

INTERSTATE 5 SB

Unknown

Over: CNFR & OLD HWY 99W

03-COL-005-R29.22, Colusa, CA

Built 1971 ADT: 5,000

INTERSTATE 5 NB

Unknown

Over: CNFR & OLD HWY 99W

03-COL-005-R29.25, Colusa, CA

Built 1971 ADT: 5,000

E ST

Unknown

Over: INTERSTATE ROUTE 5

03-COL-005-R17.98, Colusa, CA

Built 1971 ADT: 27,500

HUSTED ROAD

Unknown

Over: INTERSTATE ROUTE 5

03-COL-005-R15.91, Colusa, CA

Built 1971 ADT: 28,500

MAXWELL-COLUSA RD

Unknown

Over: INTERSTATE ROUTE 5

03-COL-005-R26.73, Colusa, CA

Built 1971 ADT: 25,000

FRESHWATER ROAD

Unknown

Over: INTERSTATE 5

03-COL-005-R19.31, Colusa, CA

Built 1971 ADT: 25,000

LURLINE AVE

Unknown

Over: INTERSTATE ROUTE 5

03-COL-005-R22.74, Colusa, CA

Built 1971 ADT: 25,000

FAIRVIEW ROAD

Unknown

Over: INTERSTATE ROUTE 5

03-COL-005-R24.72, Colusa, CA

Built 1971 ADT: 25,000

STATE ROUTE 20

Unknown

Over: INTERSTATE 5

03-COL-020-R22.09, Colusa, CA

Built 1971 ADT: 27,500

WALNUT DRIVE

Fair

Over: GLENN-COLUSA CANAL

0.2 MI W ZUMWALT RD, Colusa, CA

Built 1940 Load: 16.2 t ADT: 650

DANLEY ROAD

Fair

Over: GLENN-COLUSA CANAL

0.7 MI N FRESHWATER RD, Colusa, CA

Built 1924 Load: 16.2 t ADT: 161

FINKS ROAD

Fair

Over: GLENN-COLUSA CANAL

AT DANLEY ROAD, Colusa, CA

Built 1930 Load: 16.2 t ADT: 10

WHITE ROAD

Fair

Over: RD 108 10P CANAL

2.4 MI E OF JOHNS SCHOOL, Colusa, CA

Built 1970 Load: 16.5 t ADT: 59

HILLGATE ROAD

Fair

Over: WHISKEY CREEK

0.3 MI E WHISKEY CREEK RD, Colusa, CA

Built 1930 Load: 16.8 t ADT: 484

OLD 99W

Fair

Over: NORTH BRANCH BRUSH CREEK

0.2 MI N OF PERKINS RD, Colusa, CA

Built 1925 Load: 16.8 t ADT: 1,958

RIVER ROAD

Fair

Over: COLUSA WEIR

1.3 MI NORTH OF COLUSA, Colusa, CA

Built 1933 Load: 17.8 t ADT: 1,224

GOAT MOUNTAIN ROAD

Fair

Over: LITTLE STONY CREEK

7.4 MI W LODOGA-STNYFD RD, Colusa, CA

Built 1935 Load: 18.1 t ADT: 40

WAGNER AVE

Fair

Over: SALT CREEK

0.1 MI E OF REDDINGTON RD, Colusa, CA

Built 1960 Load: 19.4 t ADT: 399

OLD 99W

Fair

Over: HUNTERS CREEK

1.2 MI N DELEVAN RD, Colusa, CA

Built 1934 Load: 19.8 t ADT: 669

OLD 99W

Fair

Over: SOUTH BRANCH BRUSH CREEK

3.0 MI N OF CO LINE, Colusa, CA

Built 1920 Load: 21.7 t ADT: 2,018

NORMAN ROAD

Fair

Over: WILLOW CREEK

0.2 MI W YOUNG'S RD, Colusa, CA

Built 1973 Load: 22.4 t ADT: 282

LURLINE RD

Fair

Over: LURLINE CREEK

1.3 MI E OF DANLEY RD, Colusa, CA

Built 1930 Load: 22.7 t ADT: 23

MCDERMOTT ROAD

Fair

Over: DIRKS CREEK

1.5 MI N OF DELEVAN RD, Colusa, CA

Built 1960 Load: 23.0 t ADT: 31

HANKINS ROAD

Fair

Over: GLENN-COLUSA CANAL

1 MI NE THEN N WALNUT DR, Colusa, CA

Built 1930 Load: 24.0 t ADT: 180

STATE ROUTE 20

Fair

Over: SALT CREEK

03-COL-020-8.05, Colusa, CA

Built 1940 Load: 24.3 t ADT: 4,950

SITES-LODOGA RD

Fair

Over: GRAPEVINE CREEK

14.6 MI W/O 1-5, Colusa, CA

Built 1971 Load: 24.3 t ADT: 285

OLD 99W

Fair

Over: STONE CORRAL CREEK OVFL

0.9 MI S OF WADLEIGH RD, Colusa, CA

Built 1915 Load: 24.3 t ADT: 1,976

OLD 99W

Fair

Over: FUNKS CREEK OVERFLOW

0.2 MI N WADLEIGH RD, Colusa, CA

Built 1915 Load: 24.3 t ADT: 642

WHITE ROAD

Fair

Over: PETROLEUM CREEK

0.7 MI E OF GREVIE RD, Colusa, CA

Built 1970 Load: 24.3 t ADT: 56

AUTO TOUR ROUTE

Fair

Over: MAIN DRAIN

W .8 MI ON REFUGE ROAD, Colusa, CA

Built 1976 Load: 24.5 t ADT: 25

FIFTH ST (OLD 99W)

Fair

Over: CORTINA CREEK

1.2 MI S OF MEYERS RD, Colusa, CA

Built 1967 Load: 25.9 t ADT: 3,832

STANDARD RD

Fair

Over: TEHAMA-COLUSA CANAL

1.0 MI W MILLS ORCHARD RD, Colusa, CA

Built 1978 Load: 25.9 t ADT: 10

E CAMP ROAD

Fair

Over: SALT CREEK

0.7 MI S OF S.R. 20, Colusa, CA

Built 1971 Load: 26.2 t ADT: 398

LEESVILLE-LODOGA R

Fair

Over: INDIAN CREEK

0.2 MI S LODOGA STYFD RD, Colusa, CA

Built 1975 Load: 26.9 t ADT: 69

EVANS RD

Fair

Over: TEHAMA-COLUSA CANAL

0.6 MI N HAHN RD, Colusa, CA

Built 1976 Load: 27.2 t ADT: 134

COLLEGE CITY ROAD

Fair

Over: NORTH FORK BRUSH CREEK

2.5 MI S OF TULE RD, Colusa, CA

Built 1972 Load: 27.5 t ADT: 402

GOAT MOUNTAIN ROAD

Fair

Over: SULLIVAN CREEK

4.9 MI W LODOGA-STNYFD RD, Colusa, CA

Built 1970 Load: 27.5 t ADT: 16

WILBUR SPRINGS RD

Fair

Over: BEAR CREEK

JCT WITH BEAR VALLEY RD, Colusa, CA

Built 2007 Load: 27.5 t ADT: 63

LODOGA-STONYFRD RD

Fair

Over: LITTLE STONY CREEK

0.1 MI E OF GOAT MT RD, Colusa, CA

Built 1956 Load: 27.9 t ADT: 324

KING ROAD

Fair

Over: FRESHWATER CREEK

1.1 MI W OF S.R. 20, Colusa, CA

Built 1981 Load: 28.2 t ADT: 127

COUNTY LINE RD

Fair

Over: COLUSA DRAIN

4.5 MI. EAST OF I-5, Colusa, CA

Built 1970 Load: 28.2 t ADT: 170

OLD 99W

Fair

Over: PETROLEUM CREEK

2.2 MI N YOLO CO LINE, Colusa, CA

Built 1936 Load: 28.2 t ADT: 1,616
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge 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.