US Bridges

Interstate 10 WB over Buried Mountain Wash

Fair

Riverside County, California · 08-RIV-010-R78.54 · Structure no. 56 0212L

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
110 ft
6 main spans
Daily traffic
11,250
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 WB over Buried Mountain Wash is a concrete continuous slab carrying Interstate 10 WB over Buried Mountain Wash in Riverside County, California. It was built in 1965, so it is 60 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,250 vehicles a day, roughly 39% of them trucks, projected to reach 20,430 by 2044. The structure is 110 ft (33.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10 WB
CrossesBuried Mountain Wash
Location08-RIV-010-R78.54
RouteInterstate 10
Coordinates33.66328, -115.85406
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length110 ft (33.6 m)
Longest span18 ft (5.5 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,250 (2018)
Projected traffic20,430 by 2044
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 Buried Mountain Wash built?

It was built in 1965, making it 60 years old in 2025.

What condition is Interstate 10 WB over Buried Mountain Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Interstate 10 WB over Buried Mountain Wash carry?

About 11,250 vehicles per day (2018 count), of which roughly 39% are trucks.

How long is Interstate 10 WB over Buried Mountain Wash?

The structure is 110 ft (33.6 m) long with a longest span of 18 ft (5.5 m) and a deck 42 ft wide.

Who owns Interstate 10 WB over Buried Mountain Wash?

It is owned by the State Highway Agency.