US Bridges

Orange RD over Gridley Wash

Fair

Ventura County, California · 0.2 MI N of Grand Ave · Structure no. 52C0193

Built
1974
51 years old
Condition
Fair
inspected April 2022
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
200
2019 count
Owner
County
County Highway Agency

About this bridge

Orange RD over Gridley Wash is a concrete culvert carrying Orange RD over Gridley Wash in Ventura County, California. It was built in 1974, so it is 51 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 322 by 2040. The structure is 35 ft (10.7 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesOrange RD
CrossesGridley Wash
Location0.2 MI N of Grand Ave
RouteCounty Highway 0
CountyVentura County
StateCalifornia
Coordinates34.45712, -119.22392
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans2
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span16 ft (4.9 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2019)
Projected traffic322 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Orange RD over Gridley Wash built?

It was built in 1974, making it 51 years old in 2025.

What condition is Orange RD over Gridley Wash 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 April 2022.

How much traffic does Orange RD over Gridley Wash carry?

About 200 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Orange RD over Gridley Wash?

The structure is 35 ft (10.7 m) long with a longest span of 16 ft (4.9 m) and a deck 36 ft wide.

Who owns Orange RD over Gridley Wash?

It is owned by the County Highway Agency.