US Bridges

State Route 150 over Lion Canyon Creek

Good

Ventura County, California · 07-VEN-150-21.70 · Structure no. 52 0099

Built
1921
104 years old
Condition
Good
inspected October 2023
Type
Arch - Deck
Concrete
Length
45 ft
1 main span
Daily traffic
2,500
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 150 over Lion Canyon Creek is a concrete arch - deck carrying State Route 150 over Lion Canyon Creek in Ventura County, California. It was built in 1921, so it is 104 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 2,500 vehicles a day, roughly 4% of them trucks, projected to reach 3,500 by 2041. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

Location

Open in Google Maps
CarriesState Route 150
CrossesLion Canyon Creek
Location07-VEN-150-21.70
RouteState Highway 150
CountyVentura County
StateCalifornia
Coordinates34.43311, -119.20054
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span42 ft (12.9 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2020)
Projected traffic3,500 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 1921, making it 104 years old in 2025.

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 2,500 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is State Route 150 over Lion Canyon Creek?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.9 m) and a deck 24 ft wide.

Who owns State Route 150 over Lion Canyon Creek?

It is owned by the State Highway Agency.