US Bridges

Arbor Parkway over Whittier Avenue Channel

Fair

Riverside County, California · At Whittier Avenue · Structure no. 56C0345

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
2,000
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Arbor Parkway over Whittier Avenue Channel is a concrete slab carrying Arbor Parkway over Whittier Avenue Channel in Riverside County, California. It was built in 1973, so it is 52 years old, younger 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 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 4,361 by 2043. The structure is 27 ft (8.2 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesArbor Parkway
CrossesWhittier Avenue Channel
LocationAt Whittier Avenue
RouteCity Street 0
CountyRiverside County
StateCalifornia
Coordinates33.73654, -116.99155
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 inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width48 ft (14.6 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2014)
Projected traffic4,361 by 2043
Trucks1%
Lanes on structure2
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Arbor Parkway over Whittier Avenue Channel built?

It was built in 1973, making it 52 years old in 2025.

What condition is Arbor Parkway over Whittier Avenue Channel 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 October 2023.

How much traffic does Arbor Parkway over Whittier Avenue Channel carry?

About 2,000 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Arbor Parkway over Whittier Avenue Channel?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 48 ft wide.

Who owns Arbor Parkway over Whittier Avenue Channel?

It is owned by the City or Municipal Highway Agency.