US Bridges

Azusa Ave over San Dimas Chan

Fair

Los Angeles County, California · 0.1MI N/O Covina Blvd · Structure no. 53C2046

Built
1959
66 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
35,490
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Azusa Ave over San Dimas Chan is a concrete slab carrying Azusa Ave over San Dimas Chan 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 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 35,490 vehicles a day, roughly 3% of them trucks, projected to reach 42,588 by 2041. The structure is 33 ft (10.1 m) long and 96 ft wide.

Location

Open in Google Maps
CarriesAzusa Ave
CrossesSan Dimas Chan
Location0.1MI N/O Covina Blvd
RouteCity Street 16742
CountyLos Angeles County
StateCalifornia
Coordinates34.10001, -117.90757
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width96 ft (29.3 m)
Roadway width79 ft (24.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,490 (2017)
Projected traffic42,588 by 2041
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 Azusa Ave over San Dimas Chan built?

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

What condition is Azusa Ave over San Dimas Chan 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 November 2023.

How much traffic does Azusa Ave over San Dimas Chan carry?

About 35,490 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Azusa Ave over San Dimas Chan?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 96 ft wide.

Who owns Azusa Ave over San Dimas Chan?

It is owned by the City or Municipal Highway Agency.