US Bridges

Laguna RD over Revolon Slough

Fair

Ventura County, California · 0.2 MI W of Wood Road · Structure no. 52C0146

Built
1977
48 years old
Condition
Fair
inspected August 2022
Type
Culvert
Concrete
Length
66 ft
2 main spans
Daily traffic
1,500
2022 count
Owner
County
County Highway Agency

About this bridge

Laguna RD over Revolon Slough is a concrete culvert carrying Laguna RD over Revolon Slough in Ventura County, California. It was built in 1977, so it is 48 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 1,500 vehicles a day, roughly 1% of them trucks, projected to reach 1,868 by 2040. The structure is 66 ft (20.1 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLaguna RD
CrossesRevolon Slough
Location0.2 MI W of Wood Road
RouteCounty Highway 0
CountyVentura County
StateCalifornia
Coordinates34.17623, -119.09995
Functional classRural Major 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 inspectionAugust 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 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 spans2
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span31 ft (9.4 m)
Deck width48 ft (14.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic1,868 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Laguna RD over Revolon Slough built?

It was built in 1977, making it 48 years old in 2025.

What condition is Laguna RD over Revolon Slough 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 August 2022.

How much traffic does Laguna RD over Revolon Slough carry?

About 1,500 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Laguna RD over Revolon Slough?

The structure is 66 ft (20.1 m) long with a longest span of 31 ft (9.4 m) and a deck 48 ft wide.

Who owns Laguna RD over Revolon Slough?

It is owned by the County Highway Agency.