US Bridges

U.S. Highway 101 over Revolon Slough

Good

Ventura County, California · 07-VEN-101-18.78 · Structure no. 52 0164

Built
1982
43 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
49 ft
2 main spans
Daily traffic
148,000
2018 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over Revolon Slough is a concrete continuous culvert carrying U.S. Highway 101 over Revolon Slough in Ventura County, California. It was built in 1982, so it is 43 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 148,000 vehicles a day, roughly 8% of them trucks, projected to reach 220,520 by 2042. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesU.S. Highway 101
CrossesRevolon Slough
Location07-VEN-101-18.78
RouteU.S. Route 101
Coordinates34.22219, -119.11996
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal 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 Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148,000 (2018)
Projected traffic220,520 by 2042
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 U.S. Highway 101 over Revolon Slough built?

It was built in 1982, making it 43 years old in 2025.

What condition is U.S. Highway 101 over Revolon Slough 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 July 2024.

How much traffic does U.S. Highway 101 over Revolon Slough carry?

About 148,000 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is U.S. Highway 101 over Revolon Slough?

The structure is 49 ft (14.9 m) long with a longest span of 23 ft (7 m).

Who owns U.S. Highway 101 over Revolon Slough?

It is owned by the State Highway Agency.