US Bridges

Piru Canyon Road over Reasoner Creek

Fair

Ventura County, California · 7.1 MI N Center Str. · Structure no. 52C0174

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
700
2019 count
Owner
Local
Other Local Agency

About this bridge

Piru Canyon Road over Reasoner Creek is a steel stringer/multi-beam or girder carrying Piru Canyon Road over Reasoner Creek in Ventura County, California. It was built in 1955, so it is 70 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 700 vehicles a day, roughly 1% of them trucks, projected to reach 1,424 by 2046. The structure is 42 ft (12.8 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPiru Canyon Road
CrossesReasoner Creek
Location7.1 MI N Center Str.
RouteCounty Highway 0
CountyVentura County
StateCalifornia
Coordinates34.47926, -118.77076
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMarch 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length42 ft (12.8 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2019)
Projected traffic1,424 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 Piru Canyon Road over Reasoner Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Piru Canyon Road over Reasoner Creek 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 March 2024.

How much traffic does Piru Canyon Road over Reasoner Creek carry?

About 700 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Piru Canyon Road over Reasoner Creek?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns Piru Canyon Road over Reasoner Creek?

It is owned by the Other Local Agency.