US Bridges

Walnut Street over Tapo Canyon Creek

Fair

Ventura County, California · .2 MI W/O Tapo Canyon RD · Structure no. 52C0226

Built
1979
46 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
2,000
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut Street over Tapo Canyon Creek is a concrete culvert carrying Walnut Street over Tapo Canyon Creek in Ventura 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 fair condition with a lowest component rating of 6 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 2,000 vehicles a day, roughly 2% of them trucks, projected to reach 3,393 by 2046. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWalnut Street
CrossesTapo Canyon Creek
Location.2 MI W/O Tapo Canyon RD
RouteCounty Highway 0
Coordinates34.2968, -118.72112
Functional classUrban 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
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span33 ft (10 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2019)
Projected traffic3,393 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Walnut Street over Tapo Canyon Creek built?

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

What condition is Walnut Street over Tapo Canyon 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 Walnut Street over Tapo Canyon Creek carry?

About 2,000 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Walnut Street over Tapo Canyon Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10 m).

Who owns Walnut Street over Tapo Canyon Creek?

It is owned by the City or Municipal Highway Agency.