US Bridges

Interstate 10 EB over Thousand Palms Wash

Poor

Riverside County, California · 08-RIV-010-R53.80-IND · Structure no. 56 0610R

Built
1972
53 years old
Condition
Poor
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
733 ft
11 main spans
Daily traffic
33,000
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 EB over Thousand Palms Wash is a concrete continuous tee beam carrying Interstate 10 EB over Thousand Palms Wash in Riverside County, California. It was built in 1972, so it is 53 years old, younger 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 33,000 vehicles a day, roughly 33% of them trucks, projected to reach 45,000 by 2040. The structure is 733 ft (223.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10 EB
CrossesThousand Palms Wash
Location08-RIV-010-R53.80-IND
RouteInterstate 10
Coordinates33.73893, -116.24981
Functional classRural Principal Arterial - Interstate

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating39.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length733 ft (223.4 m)
Longest span69 ft (21 m)
Deck width54 ft (16.4 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,000 (2014)
Projected traffic45,000 by 2040
Trucks33%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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 EB over Thousand Palms Wash built?

It was built in 1972, making it 53 years old in 2025.

What condition is Interstate 10 EB over Thousand Palms Wash 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 October 2023.

How much traffic does Interstate 10 EB over Thousand Palms Wash carry?

About 33,000 vehicles per day (2014 count), of which roughly 33% are trucks.

How long is Interstate 10 EB over Thousand Palms Wash?

The structure is 733 ft (223.4 m) long with a longest span of 69 ft (21 m) and a deck 54 ft wide.

Who owns Interstate 10 EB over Thousand Palms Wash?

It is owned by the State Highway Agency.