US Bridges

State Route 41 over California Aqueduct

Good

Kings County, California · 06-KIN-041-16.99 · Structure no. 45 0088

Built
1967
58 years old, rebuilt 1987
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
223 ft
2 main spans
Daily traffic
7,900
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 41 over California Aqueduct is a concrete continuous box beam or girders - multiple carrying State Route 41 over California Aqueduct in Kings County, California. It was built in 1967 and reconstructed in 1987, so it is 58 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,900 vehicles a day, roughly 13% of them trucks, projected to reach 9,754 by 2042. The structure is 223 ft (67.9 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesState Route 41
CrossesCalifornia Aqueduct
Location06-KIN-041-16.99
RouteState Highway 41
Coordinates35.99189, -119.95956
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length223 ft (67.9 m)
Longest span117 ft (35.6 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2009)
Projected traffic9,754 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 41 over California Aqueduct built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1987.

What condition is State Route 41 over California Aqueduct in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does State Route 41 over California Aqueduct carry?

About 7,900 vehicles per day (2009 count), of which roughly 13% are trucks.

How long is State Route 41 over California Aqueduct?

The structure is 223 ft (67.9 m) long with a longest span of 117 ft (35.6 m) and a deck 45 ft wide.

Who owns State Route 41 over California Aqueduct?

It is owned by the State Highway Agency.