US Bridges

Channel Islands Bl over Mandalay Bay

Good

Ventura County, California · 0.4 MI E of Harbor Blvd · Structure no. 52C0108

Built
1957
68 years old, rebuilt 1971
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
124 ft
3 main spans
Daily traffic
24,750
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Channel Islands Bl over Mandalay Bay is a concrete slab carrying Channel Islands Bl over Mandalay Bay in Ventura County, California. It was built in 1957 and reconstructed in 1971, so it is 68 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 24,750 vehicles a day, roughly 2% of them trucks, projected to reach 31,326 by 2042. The structure is 124 ft (37.8 m) long and 102 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesChannel Islands Bl
CrossesMandalay Bay
Location0.4 MI E of Harbor Blvd
RouteCity Street 0
Coordinates34.17561, -119.22399
Functional classUrban Other Principal 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 inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length124 ft (37.8 m)
Longest span40 ft (12.2 m)
Deck width102 ft (31.1 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,750 (2022)
Projected traffic31,326 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Channel Islands Bl over Mandalay Bay built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1971.

What condition is Channel Islands Bl over Mandalay Bay 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 Channel Islands Bl over Mandalay Bay carry?

About 24,750 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Channel Islands Bl over Mandalay Bay?

The structure is 124 ft (37.8 m) long with a longest span of 40 ft (12.2 m) and a deck 102 ft wide.

Who owns Channel Islands Bl over Mandalay Bay?

It is owned by the City or Municipal Highway Agency.