US Bridges

Foothill Blvd over Pacoima Wash

Fair

Los Angeles County, California · 0.2 Mile SE Maclay ST · Structure no. 53C0958

Built
1923
102 years old, rebuilt 1959
Condition
Fair
inspected January 2024
Type
Arch - Deck
Concrete
Length
144 ft
2 main spans
Daily traffic
19,441
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Foothill Blvd over Pacoima Wash is a concrete arch - deck carrying Foothill Blvd over Pacoima Wash in Los Angeles County, California. It was built in 1923 and reconstructed in 1959, so it is 102 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 19,441 vehicles a day, roughly 2% of them trucks, projected to reach 33,355 by 2046. The structure is 144 ft (43.9 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFoothill Blvd
CrossesPacoima Wash
Location0.2 Mile SE Maclay ST
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.29633, -118.41836
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span70 ft (21.3 m)
Deck width62 ft (18.9 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,441 (2017)
Projected traffic33,355 by 2046
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Foothill Blvd over Pacoima Wash built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1959.

What condition is Foothill Blvd over Pacoima Wash 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 January 2024.

How much traffic does Foothill Blvd over Pacoima Wash carry?

About 19,441 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Foothill Blvd over Pacoima Wash?

The structure is 144 ft (43.9 m) long with a longest span of 70 ft (21.3 m) and a deck 62 ft wide.

Who owns Foothill Blvd over Pacoima Wash?

It is owned by the City or Municipal Highway Agency.