US Bridges

Whittier Blvd over San Gabriel Riv

Fair

Los Angeles County, California · 07-LA-072-6.86-PRV · Structure no. 53C2302

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
377 ft
5 main spans
Daily traffic
34,000
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Whittier Blvd over San Gabriel Riv is a prestressed concrete continuous stringer/multi-beam or girder carrying Whittier Blvd over San Gabriel Riv in Los Angeles County, California. It was built in 1968, so it is 57 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 6 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 34,000 vehicles a day, projected to reach 42,301 by 2044. The structure is 377 ft (114.9 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWhittier Blvd
CrossesSan Gabriel Riv
Location07-LA-072-6.86-PRV
RouteCity Street 0
Coordinates33.99583, -118.07282
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length377 ft (114.9 m)
Longest span75 ft (22.9 m)
Deck width96 ft (29.3 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2017)
Projected traffic42,301 by 2044
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Whittier Blvd over San Gabriel Riv built?

It was built in 1968, making it 57 years old in 2025.

What condition is Whittier Blvd over San Gabriel Riv 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 September 2024.

How much traffic does Whittier Blvd over San Gabriel Riv carry?

About 34,000 vehicles per day (2017 count).

How long is Whittier Blvd over San Gabriel Riv?

The structure is 377 ft (114.9 m) long with a longest span of 75 ft (22.9 m) and a deck 96 ft wide.

Who owns Whittier Blvd over San Gabriel Riv?

It is owned by the City or Municipal Highway Agency.