US Bridges

State Route 46 over Goose Lake Canal

Poor

Kern County, California · 06-KER-046-35.13 · Structure no. 50 0027

Built
1956
69 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
6,100
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 46 over Goose Lake Canal is a prestressed concrete stringer/multi-beam or girder carrying State Route 46 over Goose Lake Canal in Kern County, California. It was built in 1956, so it is 69 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,100 vehicles a day, roughly 39% of them trucks, projected to reach 9,610 by 2042. The structure is 47 ft (14.3 m) long and 42 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesState Route 46
CrossesGoose Lake Canal
Location06-KER-046-35.13
RouteState Highway 46
Coordinates35.61588, -119.60709
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating20 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2009)
Projected traffic9,610 by 2042
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$299,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 46 over Goose Lake Canal built?

It was built in 1956, making it 69 years old in 2025.

What condition is State Route 46 over Goose Lake Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does State Route 46 over Goose Lake Canal carry?

About 6,100 vehicles per day (2009 count), of which roughly 39% are trucks.

How long is State Route 46 over Goose Lake Canal?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 42 ft wide.

Who owns State Route 46 over Goose Lake Canal?

It is owned by the State Highway Agency.