US Bridges

Monte Mar Drive over Benedict Canyon Channel

Good

Los Angeles County, California · Beverwil DR & Roxbury Bl · Structure no. 53C1255

Built
1963
62 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
1,046
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Monte Mar Drive over Benedict Canyon Channel is a concrete slab carrying Monte Mar Drive over Benedict Canyon Channel in Los Angeles County, California. It was built in 1963, so it is 62 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 1,046 vehicles a day, roughly 1% of them trucks, projected to reach 1,031 by 2044. The structure is 22 ft (6.7 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMonte Mar Drive
CrossesBenedict Canyon Channel
LocationBeverwil DR & Roxbury Bl
RouteCity Street 0
Coordinates34.04932, -118.40047
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 inspectionMarch 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width81 ft (24.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,046 (2018)
Projected traffic1,031 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Monte Mar Drive over Benedict Canyon Channel built?

It was built in 1963, making it 62 years old in 2025.

What condition is Monte Mar Drive over Benedict Canyon Channel 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 March 2024.

How much traffic does Monte Mar Drive over Benedict Canyon Channel carry?

About 1,046 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Monte Mar Drive over Benedict Canyon Channel?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 81 ft wide.

Who owns Monte Mar Drive over Benedict Canyon Channel?

It is owned by the City or Municipal Highway Agency.