US Bridges

State Route 22 EB over San Gabriel River

Good

Los Angeles County, California · 07-LA-022-1.42-LBCH · Structure no. 53 0302R

Built
1941
84 years old, rebuilt 2000
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
335 ft
8 main spans
Daily traffic
51,000
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 22 EB over San Gabriel River is a concrete continuous slab carrying State Route 22 EB over San Gabriel River in Los Angeles County, California. It was built in 1941 and reconstructed in 2000, so it is 84 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 51,000 vehicles a day, roughly 3% of them trucks, projected to reach 41,861 by 2041. The structure is 335 ft (102.1 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 22 EB
CrossesSan Gabriel River
Location07-LA-022-1.42-LBCH
RouteState Highway 22
Coordinates33.77413, -118.09827
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length335 ft (102.1 m)
Longest span50 ft (15.2 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,000 (2015)
Projected traffic41,861 by 2041
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 22 EB over San Gabriel River built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2000.

What condition is State Route 22 EB over San Gabriel River 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 April 2024.

How much traffic does State Route 22 EB over San Gabriel River carry?

About 51,000 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is State Route 22 EB over San Gabriel River?

The structure is 335 ft (102.1 m) long with a longest span of 50 ft (15.2 m) and a deck 44 ft wide.

Who owns State Route 22 EB over San Gabriel River?

It is owned by the State Highway Agency.