US Bridges

State Route 2 over Slide Canyon

Good

Los Angeles County, California · 07-LA-002-28.58-PAS · Structure no. 53 0063

Built
1931
94 years old
Condition
Good
inspected January 2024
Type
Arch - Deck
Concrete
Length
181 ft
3 main spans
Daily traffic
3,700
2014 count
Owner
State
State Highway Agency

About this bridge

State Route 2 over Slide Canyon is a concrete arch - deck carrying State Route 2 over Slide Canyon in Los Angeles County, California. It was built in 1931, so it is 94 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 3,700 vehicles a day, roughly 2% of them trucks, projected to reach 9,931 by 2044. The structure is 181 ft (55.2 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesState Route 2
CrossesSlide Canyon
Location07-LA-002-28.58-PAS
RouteState Highway 2
Coordinates34.24204, -118.1893
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating23.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length181 ft (55.2 m)
Longest span100 ft (30.5 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2014)
Projected traffic9,931 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 State Route 2 over Slide Canyon built?

It was built in 1931, making it 94 years old in 2025.

What condition is State Route 2 over Slide Canyon 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 January 2024.

How much traffic does State Route 2 over Slide Canyon carry?

About 3,700 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is State Route 2 over Slide Canyon?

The structure is 181 ft (55.2 m) long with a longest span of 100 ft (30.5 m) and a deck 38 ft wide.

Who owns State Route 2 over Slide Canyon?

It is owned by the State Highway Agency.