US Bridges

Sixth Street over Oak Street Channel

Good

Riverside County, California · 0.2 Mi. W/O Lincoln Ave. · Structure no. 56C0474

Built
1993
32 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete Continuous
Length
31 ft
1 main span
Daily traffic
23,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sixth Street over Oak Street Channel is a concrete continuous culvert carrying Sixth Street over Oak Street Channel in Riverside County, California. It was built in 1993, so it is 32 years old, younger 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 23,000 vehicles a day, roughly 1% of them trucks, projected to reach 49,002 by 2044. The structure is 31 ft (9.4 m) long and 80 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSixth Street
CrossesOak Street Channel
Location0.2 Mi. W/O Lincoln Ave.
RouteCity Street 0
Coordinates33.8775, -117.58713
Functional classUrban Other Principal Arterial

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 inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum 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 Continuous
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width80 ft (24.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2020)
Projected traffic49,002 by 2044
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sixth Street over Oak Street Channel built?

It was built in 1993, making it 32 years old in 2025.

What condition is Sixth Street over Oak Street Channel 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 2022.

How much traffic does Sixth Street over Oak Street Channel carry?

About 23,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Sixth Street over Oak Street Channel?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 80 ft wide.

Who owns Sixth Street over Oak Street Channel?

It is owned by the City or Municipal Highway Agency.