US Bridges

Moorpark Road over Arroyo Conejo

Good

Ventura County, California · 0.1 MI N/O Thok Blvd · Structure no. 52C0141

Built
1939
86 years old, rebuilt 1962
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
99 ft
6 main spans
Daily traffic
30,050
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Moorpark Road over Arroyo Conejo is a concrete continuous slab carrying Moorpark Road over Arroyo Conejo in Ventura County, California. It was built in 1939 and reconstructed in 1962, so it is 86 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 30,050 vehicles a day, roughly 4% of them trucks, projected to reach 37,746 by 2044. The structure is 99 ft (30.2 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMoorpark Road
CrossesArroyo Conejo
Location0.1 MI N/O Thok Blvd
RouteCity Street 0
Coordinates34.18022, -118.87601
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length99 ft (30.2 m)
Longest span22 ft (6.7 m)
Deck width94 ft (28.7 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,050 (2020)
Projected traffic37,746 by 2044
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Moorpark Road over Arroyo Conejo built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1962.

What condition is Moorpark Road over Arroyo Conejo 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 June 2024.

How much traffic does Moorpark Road over Arroyo Conejo carry?

About 30,050 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Moorpark Road over Arroyo Conejo?

The structure is 99 ft (30.2 m) long with a longest span of 22 ft (6.7 m) and a deck 94 ft wide.

Who owns Moorpark Road over Arroyo Conejo?

It is owned by the City or Municipal Highway Agency.