US Bridges

Interstate 10 WB over Polaris Wash

Good

Riverside County, California · 08-RIV-010-R62.03-COA · Structure no. 56 0476L

Built
1964
61 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
11,250
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 WB over Polaris Wash is a concrete continuous slab carrying Interstate 10 WB over Polaris Wash in Riverside County, California. It was built in 1964, so it is 61 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 11,250 vehicles a day, roughly 39% of them trucks, projected to reach 19,077 by 2040. The structure is 62 ft (18.9 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10 WB
CrossesPolaris Wash
Location08-RIV-010-R62.03-COA
RouteInterstate 10
Coordinates33.70501, -116.13327
Functional classRural Principal Arterial - Interstate

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,250 (2014)
Projected traffic19,077 by 2040
Trucks39%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 10 WB over Polaris Wash built?

It was built in 1964, making it 61 years old in 2025.

What condition is Interstate 10 WB over Polaris Wash 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 2023.

How much traffic does Interstate 10 WB over Polaris Wash carry?

About 11,250 vehicles per day (2014 count), of which roughly 39% are trucks.

How long is Interstate 10 WB over Polaris Wash?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns Interstate 10 WB over Polaris Wash?

It is owned by the State Highway Agency.