US Bridges

Johnson Lane over San Gorgonio Wash

Fair

Riverside County, California · 08-RIV-010-R16.14-BAN · Structure no. 56 0003Z

Built
1925
100 years old, rebuilt 1939
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
239 ft
8 main spans
Daily traffic
2
2018 count
Owner
State
State Highway Agency

About this bridge

Johnson Lane over San Gorgonio Wash is a concrete tee beam carrying Johnson Lane over San Gorgonio Wash in Riverside County, California. It was built in 1925 and reconstructed in 1939, so it is 100 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 2 vehicles a day, roughly 10% of them trucks, projected to reach 2 by 2040. The structure is 239 ft (72.8 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesJohnson Lane
CrossesSan Gorgonio Wash
Location08-RIV-010-R16.14-BAN
RouteState Highway 10
CountyRiverside County
StateCalifornia
Coordinates33.93117, -116.82867
Functional classRural Local

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length239 ft (72.8 m)
Longest span30 ft (9.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2018)
Projected traffic2 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Johnson Lane over San Gorgonio Wash built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1939.

What condition is Johnson Lane over San Gorgonio 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 November 2023.

How much traffic does Johnson Lane over San Gorgonio Wash carry?

About 2 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Johnson Lane over San Gorgonio Wash?

The structure is 239 ft (72.8 m) long with a longest span of 30 ft (9.2 m) and a deck 33 ft wide.

Who owns Johnson Lane over San Gorgonio Wash?

It is owned by the State Highway Agency.