US Bridges

State Route 60 over San Gabriel River

Fair

Los Angeles County, California · 07-LA-060-11.30-SEMT · Structure no. 53 1767

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
811 ft
9 main spans
Daily traffic
228,000
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 60 over San Gabriel River is a concrete continuous box beam or girders - multiple carrying State Route 60 over San Gabriel River in Los Angeles County, California. It was built in 1967, so it is 58 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 228,000 vehicles a day, roughly 8% of them trucks, projected to reach 263,886 by 2041. The structure is 811 ft (247.1 m) long and 178 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 60
CrossesSan Gabriel River
Location07-LA-060-11.30-SEMT
RouteState Highway 60
Coordinates34.03636, -118.03407
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length811 ft (247.1 m)
Longest span94 ft (28.7 m)
Deck width178 ft (54.3 m)
Roadway width168 ft (51.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic228,000 (2015)
Projected traffic263,886 by 2041
Trucks8%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 60 over San Gabriel River built?

It was built in 1967, making it 58 years old in 2025.

What condition is State Route 60 over San Gabriel River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does State Route 60 over San Gabriel River carry?

About 228,000 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is State Route 60 over San Gabriel River?

The structure is 811 ft (247.1 m) long with a longest span of 94 ft (28.7 m) and a deck 178 ft wide.

Who owns State Route 60 over San Gabriel River?

It is owned by the State Highway Agency.