US Bridges

Channel Islands DR over Long Grade Canyon Creek

Good

Ventura County, California · 0.05 MI N Anacapa Island · Structure no. 52I0004

Built
2006
19 years old
Condition
Good
inspected August 2022
Type
Box Beam or Girders - Multiple
Concrete
Length
47 ft
1 main span
Daily traffic
700
2022 count
Owner
State
Other State Agency

About this bridge

Channel Islands DR over Long Grade Canyon Creek is a concrete box beam or girders - multiple carrying Channel Islands DR over Long Grade Canyon Creek in Ventura County, California. It was built in 2006, so it is 19 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 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 700 vehicles a day, roughly 1% of them trucks, projected to reach 1,030 by 2040. The structure is 47 ft (14.3 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesChannel Islands DR
CrossesLong Grade Canyon Creek
Location0.05 MI N Anacapa Island
RouteState Lands Road 0
Coordinates34.16498, -119.03371
Functional classUrban Local

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 inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length47 ft (14.3 m)
Longest span44 ft (13.5 m)
Deck width53 ft (16.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic1,030 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

OwnerOther State Agency
Maintained byOther State 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 Channel Islands DR over Long Grade Canyon Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Channel Islands DR over Long Grade Canyon Creek 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 August 2022.

How much traffic does Channel Islands DR over Long Grade Canyon Creek carry?

About 700 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Channel Islands DR over Long Grade Canyon Creek?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.5 m) and a deck 53 ft wide.

Who owns Channel Islands DR over Long Grade Canyon Creek?

It is owned by the Other State Agency.