US Bridges

State Route 86 NB over Sosto Ditch

Good

Riverside County, California · 08-RIV-086-0.52 · Structure no. 56 0158R

Built
1979
46 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
59 ft
2 main spans
Daily traffic
15,300
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 86 NB over Sosto Ditch is a concrete continuous slab carrying State Route 86 NB over Sosto Ditch in Riverside County, California. It was built in 1979, so it is 46 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 15,300 vehicles a day, roughly 27% of them trucks, projected to reach 17,794 by 2045. The structure is 59 ft (18 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesState Route 86 NB
CrossesSosto Ditch
Location08-RIV-086-0.52
RouteState Highway 86
CountyRiverside County
StateCalifornia
Coordinates33.4319, -116.06543
Functional classRural Principal Arterial - Other

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating98.2 US tons
Inventory rating59.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length59 ft (18 m)
Longest span28 ft (8.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,300 (2020)
Projected traffic17,794 by 2045
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 86 NB over Sosto Ditch built?

It was built in 1979, making it 46 years old in 2025.

What condition is State Route 86 NB over Sosto Ditch 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 March 2023.

How much traffic does State Route 86 NB over Sosto Ditch carry?

About 15,300 vehicles per day (2020 count), of which roughly 27% are trucks.

How long is State Route 86 NB over Sosto Ditch?

The structure is 59 ft (18 m) long with a longest span of 28 ft (8.5 m) and a deck 43 ft wide.

Who owns State Route 86 NB over Sosto Ditch?

It is owned by the State Highway Agency.