US Bridges

Whittier Blvd over Santa Ann Fwy (sr 101)

Good

Los Angeles County, California · 07-LA-101-S0.20-LA · Structure no. 53 3201

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Arch - Deck
Prestressed Concrete Continuous
Length
300 ft
2 main spans
Daily traffic
50,000
2018 count
Owner
State
State Highway Agency

About this bridge

Whittier Blvd over Santa Ann Fwy (sr 101) is a prestressed concrete continuous arch - deck carrying Whittier Blvd over Santa Ann Fwy (sr 101) in Los Angeles County, California. It was built in 2022, so it is 3 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50,000 vehicles a day, roughly 2% of them trucks, projected to reach 66,311 by 2046. The structure is 300 ft (91.5 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWhittier Blvd
CrossesSanta Ann Fwy (sr 101)
Location07-LA-101-S0.20-LA
RouteCity Street 0L242
CountyLos Angeles County
StateCalifornia
Coordinates34.03708, -118.22172
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length300 ft (91.5 m)
Longest span233 ft (71.1 m)
Deck width100 ft (30.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,000 (2018)
Projected traffic66,311 by 2046
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Whittier Blvd over Santa Ann Fwy (sr 101) built?

It was built in 2022, making it 3 years old in 2025.

What condition is Whittier Blvd over Santa Ann Fwy (sr 101) 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 September 2024.

How much traffic does Whittier Blvd over Santa Ann Fwy (sr 101) carry?

About 50,000 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Whittier Blvd over Santa Ann Fwy (sr 101)?

The structure is 300 ft (91.5 m) long with a longest span of 233 ft (71.1 m) and a deck 100 ft wide.

Who owns Whittier Blvd over Santa Ann Fwy (sr 101)?

It is owned by the State Highway Agency.