US Bridges

State Route 150 over Lion Canyon Creek

Good

Ventura County, California · 07-VEN-150-23.93 · Structure no. 52 0102

Built
1912
113 years old, rebuilt 1930
Condition
Good
inspected October 2023
Type
Arch - Deck
Masonry
Length
32 ft
1 main span
Daily traffic
2,400
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 150 over Lion Canyon Creek is a masonry arch - deck carrying State Route 150 over Lion Canyon Creek in Ventura County, California. It was built in 1912 and reconstructed in 1930, so it is 113 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 2,400 vehicles a day, roughly 4% of them trucks, projected to reach 3,000 by 2041. The structure is 32 ft (9.9 m) long and 27 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesState Route 150
CrossesLion Canyon Creek
Location07-VEN-150-23.93
RouteState Highway 150
Coordinates34.4369, -119.16396
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.3 US tons
Inventory rating24.3 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span26 ft (8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2020)
Projected traffic3,000 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 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 State Route 150 over Lion Canyon Creek built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1930.

What condition is State Route 150 over Lion Canyon Creek 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 State Route 150 over Lion Canyon Creek carry?

About 2,400 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is State Route 150 over Lion Canyon Creek?

The structure is 32 ft (9.9 m) long with a longest span of 26 ft (8 m) and a deck 27 ft wide.

Who owns State Route 150 over Lion Canyon Creek?

It is owned by the State Highway Agency.