Shasta County, CA

500 public highway bridges

Shasta County Bridge Snapshot

Shasta County, California contains 500 public highway bridges in the FHWA National Bridge Inventory. Roughly 41.2% are rated “Good,” 44.6% “Fair,” 2% “Poor,” and 2% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in CA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

500

Total Bridges

41.2%

Good

2%

Poor

2%

Structurally Deficient

Condition Distribution

Good

41.2% (206)

Fair

44.6% (223)

Poor

2% (10)

SD

2% (10)

All Bridges (500)

Sort:

BEAR MOUNTAIN ROAD

Over: DEEP HOLE CREEK

100 FT S/O BERNARD WAY, Shasta, CA

Built 1940 Load: 18.8 t ADT: 2,632

SACRAMENTO DR

Over: OLNEY CREEK

0.5 MI E OF SR273, Shasta, CA

Built 1954 Load: 18.8 t ADT: 2,865

MINERAL RD

Over: BAILEY CREEK

0.2 MI S OF SR 44, Shasta, CA

Built 1947 Load: 19.8 t ADT: 123

HOT SPRINGS RD

Over: JANEEN CREEK

0.4 MI W OF BIG BEND RD, Shasta, CA

Built 1940 Load: 19.8 t ADT: 50

LAKESHORE DRIVE

Over: DONEY CREEK

0.8 MI SW ANTLR UC ON I-5, Shasta, CA

Built 1927 Load: 20.1 t ADT: 2,178

MAIN STREET

Over: CASTLE CREEK

0.2 MI S CASTLE CR RD,I-5, Shasta, CA

Built 1918 Load: 20.1 t ADT: 452

ASH CR RD

Over: SACRAMENTO RIVER

1.2 MI E BALLS FERRY RD, Shasta, CA

Built 1970 Load: 20.4 t ADT: 850

PONDEROSA WAY

Over: SNOW CREEK

4.1 MI N OF S.R. 44, Shasta, CA

Built 1935 Load: 20.7 t ADT: 87

ROCK CREEK RD

Over: BAILEY CREEK

0.7 MI S OF SR 44, Shasta, CA

Built 1930 Load: 21.1 t ADT: 42

ASHBY RD

Over: CHURN CREEK

0.1 MI NE PINE GROVE, Shasta, CA

Built 1965 Load: 21.4 t ADT: 1,500

PONDEROSA WAY

Over: NORTH FORK BATTLE CREEK

4.9 MI S/E SHINGLETOWN, Shasta, CA

Built 1938 Load: 21.4 t ADT: 50

HOLIDAY ROAD

Over: SPRING BRANCH CREEK

0.5 MI N MT GATE OC, Shasta, CA

Built 1918 Load: 21.7 t ADT: 54

STATE ROUTE 273

Over: OLNEY CREEK

02-SHA-273-12.58-RDG, Shasta, CA

Built 1940 Load: 22.0 t ADT: 23,000

DERSCH RD

Over: LACK CREEK

2.8 MI W ASH CR RD, Shasta, CA

Built 1963 Load: 22.0 t ADT: 1,120

PITTVILLE ROAD

Over: PIT RIVER

1 MI N DEAN KNOCH RD, Shasta, CA

Built 1949 Load: 22.0 t ADT: 750

EASTSIDE RD

Over: OLNEY CREEK

0.1 MI S BONNYVIEW RD, Shasta, CA

Built 1954 Load: 22.0 t ADT: 3,828

SODA CREEK ROAD

Over: SODA CREEK

0.3 MI SE I-5, Shasta, CA

Built 1970 Load: 22.4 t ADT: 180

ASH CREEK ROAD

Over: ANDERSON CREEK

100' E BALLS FERRY RD, Shasta, CA

Built 1950 Load: 23.0 t ADT: 1,161

STATE ROUTE 36

Over: BEEGUM CREEK

02-SHA-036-11.91, Shasta, CA

Built 1961 Load: 24.0 t ADT: 570

BIG BEND RD

Over: PIT RIVER

15.9 MI N OF S.R. 299, Shasta, CA

Built 1964 Load: 24.0 t ADT: 200

CASCADE BLVD

Over: MOODY CREEK

0.1 MI N SR 151, Shasta, CA

Built 1918 Load: 24.0 t ADT: 1,000

STATTON ROAD

Over: SALT CREEK

AT GILMAN RD, Shasta, CA

Built 1948 Load: 24.0 t ADT: 10

STATE ROUTE 273

Over: CHINA GULCH

02-SHA-273-10.97-RDG, Shasta, CA

Built 1937 Load: 24.3 t ADT: 21,400

STATE ROUTE 273

Over: SULPHUR CREEK

02-SHA-273-17.97-RDG, Shasta, CA

Built 1936 Load: 24.3 t ADT: 25,000

HOLIDAY ROAD

Over: WEST FORK STILLWATER CRK

1.0 MI N OLD OREGON TRAIL, Shasta, CA

Built 1970 Load: 24.3 t ADT: 54

PLATINA RD

Over: WILSON CREEK TRIBUTARY

13 MI W GAS PT RD, Shasta, CA

Built 1958 Load: 24.3 t ADT: 140

LAKE BLVD

Over: RICH GULCH

IN SUMMIT CITY, Shasta, CA

Built 1970 Load: 24.3 t ADT: 3,024

DERSCH RD

Over: HAWES GULCH

0.1 MI W OF DESCHUTES RD, Shasta, CA

Built 1960 Load: 24.3 t ADT: 2,140

OAK RUN ROAD

Over: OAK RUN CREEK

3.9 MI S OAK RUN TO FRN R, Shasta, CA

Built 1958 Load: 24.3 t ADT: 910

MCARTHUR ROAD

Over: FALL RIVER TRIBUTARY

0.5 MI N OF BROWN RD, Shasta, CA

Built 1971 Load: 24.3 t ADT: 779

CANYON CREEK RD

Over: CANYON HOLLOW CREEK

40FT SW FROM WESTSIDE RD, Shasta, CA

Built 1960 Load: 24.3 t ADT: 500

RADIO LANE

Over: OREGON GULCH

0.2 MI E EASTSIDE RD, Shasta, CA

Built 1960 Load: 24.3 t ADT: 4,110

PINON AVE

Over: SACRAMENTO GULCH

0.2 MI W OF SR 273, Shasta, CA

Built 1956 Load: 24.3 t ADT: 5,476

OLD OREGON TRAIL

Over: OLD OREGON DITCH

1.7 MI N SR 299, Shasta, CA

Built 1970 Load: 24.3 t ADT: 2,458

ASHBY RD

Over: TOYON CREEK

0.5 MI N PINE GROVE AVE, Shasta, CA

Built 1950 Load: 24.3 t ADT: 1,000

IRON MTN RD

Over: SPRING CREEK

1.4 MI N KESWICK DAM RD, Shasta, CA

Built 1960 Load: 24.3 t ADT: 114

WILDCAT RD.

Over: BALDWIN CREEK

0.7 MI N OF BATTLE CR RD, Shasta, CA

Built 1936 Load: 24.3 t ADT: 232

MAIN STREET

Over: SALT CREEK

0.1 MI E GRAND RIVER AVE, Shasta, CA

Built 1950 Load: 24.3 t ADT: 500

DUVAL DRIVE

Over: CHURN CREEK

0.1 MI W LAKE BLVD, Shasta, CA

Built 1960 Load: 24.3 t ADT: 100

HAPPY VALLEY RD

Over: SPRING GULCH

1.5 MI S CANYON RD, Shasta, CA

Built 1950 Load: 24.3 t ADT: 3,750

S COW CREEK ROAD

Over: TOWNSEND GULCH

4.8 MI NE OF S.R. 44, Shasta, CA

Built 1965 Load: 24.3 t ADT: 40

FRENCH GULCH ROAD

Over: FRENCH GULCH

2.0 MI NW/O TRINITY MTN R, Shasta, CA

Built 1965 Load: 24.3 t ADT: 60

ASH CR RD

Over: ASH CREEK TRIBUTARY

4.4 MI E PARKVILLE RD, Shasta, CA

Built 1950 Load: 24.3 t ADT: 200

GIRVAN RD

Over: BURGAN CREEK

0.9 MI E OF SR 273, Shasta, CA

Built 1960 Load: 24.3 t ADT: 7,730

CARLIE DRIVE

Over: YANK CREEK

0.1 MI S OLD ALTURAS RD, Shasta, CA

Built 1960 Load: 24.3 t ADT: 400

JFK DRIVE

Over: BRANDY CREEK

4.7 miles SW of Hwy. 299, Shasta, CA

Built 1965 Load: 24.5 t ADT: 100

INTERSTATE 5 NB

Over: O'BRIEN ROAD

02-SHA-005-R32.16R, Shasta, CA

Built 1968 Load: 24.6 t ADT: 9,150

RIVERSIDE ROAD

Over: SACRAMENTO RIVER

0.1 MI E/O I-5 FRONT RD, Shasta, CA

Built 1940 Load: 24.6 t ADT: 234

WYNDHAM LN

Over: A.C.I.D. CANAL

AT EASTSIDE ROAD, Shasta, CA

Built 1980 Load: 24.6 t ADT: 650

OLD OREGON TRAIL

Over: WEST FORK STILLWATER CRK

0.3 MI E OASIS & AKRICH, Shasta, CA

Built 1976 Load: 24.9 t ADT: 2,458

Read our methodology — how this data is sourced, computed, and verified.

Related

Browse all → | Rankings →

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026