US Bridges

Lower Azusa RD over Arcadia Wash

Poor

Los Angeles County, California · 0.4MI W/O Santa Anita Ave · Structure no. 53C0434

Built
1959
66 years old
Condition
Poor
inspected March 2023
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
30,816
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lower Azusa RD over Arcadia Wash is a concrete slab carrying Lower Azusa RD over Arcadia Wash in Los Angeles County, California. It was built in 1959, so it is 66 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 30,816 vehicles a day, roughly 3% of them trucks, projected to reach 36,979 by 2041. The structure is 37 ft (11.2 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLower Azusa RD
CrossesArcadia Wash
Location0.4MI W/O Santa Anita Ave
RouteCity Street 0L515
CountyLos Angeles County
StateCalifornia
Coordinates34.09271, -118.03339
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span32 ft (9.8 m)
Deck width63 ft (19.3 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,816 (2017)
Projected traffic36,979 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$842,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lower Azusa RD over Arcadia Wash built?

It was built in 1959, making it 66 years old in 2025.

What condition is Lower Azusa RD over Arcadia Wash in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Lower Azusa RD over Arcadia Wash carry?

About 30,816 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Lower Azusa RD over Arcadia Wash?

The structure is 37 ft (11.2 m) long with a longest span of 32 ft (9.8 m) and a deck 63 ft wide.

Who owns Lower Azusa RD over Arcadia Wash?

It is owned by the City or Municipal Highway Agency.