US Bridges

6th Avenue over "d" Canal Siphon 32

Good

Riverside County, California · 0.6 Mi. W/O Rte. 95 Hwy. · Structure no. 56C0193

Built
1963
62 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
430
2012 count
Owner
County
County Highway Agency

About this bridge

6th Avenue over "d" Canal Siphon 32 is a concrete culvert carrying 6th Avenue over "d" Canal Siphon 32 in Riverside County, California. It was built in 1963, so it is 62 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 430 vehicles a day, roughly 1% of them trucks, projected to reach 526 by 2046. The structure is 26 ft (7.9 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries6th Avenue
Crosses"d" Canal Siphon 32
Location0.6 Mi. W/O Rte. 95 Hwy.
RouteCounty Highway 0
Coordinates33.66151, -114.58225
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
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

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2012)
Projected traffic526 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 6th Avenue over "d" Canal Siphon 32 built?

It was built in 1963, making it 62 years old in 2025.

What condition is 6th Avenue over "d" Canal Siphon 32 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 October 2024.

How much traffic does 6th Avenue over "d" Canal Siphon 32 carry?

About 430 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is 6th Avenue over "d" Canal Siphon 32?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 42 ft wide.

Who owns 6th Avenue over "d" Canal Siphon 32?

It is owned by the County Highway Agency.