US Bridges

Erringer Road over Arroyo Simi

Good

Ventura County, California · 0.4 MI S Los Angeles Ave · Structure no. 52C0125

Built
1966
59 years old, rebuilt 1976
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
106 ft
3 main spans
Daily traffic
22,500
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Erringer Road over Arroyo Simi is a steel continuous stringer/multi-beam or girder carrying Erringer Road over Arroyo Simi in Ventura County, California. It was built in 1966 and reconstructed in 1976, so it is 59 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 22,500 vehicles a day, roughly 2% of them trucks, projected to reach 33,250 by 2046. The structure is 106 ft (32.3 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesErringer Road
CrossesArroyo Simi
Location0.4 MI S Los Angeles Ave
RouteCity Street 0
Coordinates34.26645, -118.76127
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span35 ft (10.7 m)
Deck width80 ft (24.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2019)
Projected traffic33,250 by 2046
Trucks2%
Lanes on structure5
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 Erringer Road over Arroyo Simi built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1976.

What condition is Erringer Road over Arroyo Simi 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 March 2024.

How much traffic does Erringer Road over Arroyo Simi carry?

About 22,500 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Erringer Road over Arroyo Simi?

The structure is 106 ft (32.3 m) long with a longest span of 35 ft (10.7 m) and a deck 80 ft wide.

Who owns Erringer Road over Arroyo Simi?

It is owned by the City or Municipal Highway Agency.