US Bridges

Foothill Blvd over So Brch Big Tujunga Wash

Fair

Los Angeles County, California · 1.4 MI E/O Wheatland Ave · Structure no. 53C2032

Built
1975
50 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
229 ft
2 main spans
Daily traffic
9,697
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Foothill Blvd over So Brch Big Tujunga Wash is a prestressed concrete continuous box beam or girders - multiple carrying Foothill Blvd over So Brch Big Tujunga Wash in Los Angeles County, California. It was built in 1975, so it is 50 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 9,697 vehicles a day, roughly 2% of them trucks, projected to reach 11,718 by 2046. The structure is 229 ft (69.8 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFoothill Blvd
CrossesSo Brch Big Tujunga Wash
Location1.4 MI E/O Wheatland Ave
RouteCity Street 0
Coordinates34.26639, -118.33517
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.9 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span118 ft (35.9 m)
Deck width80 ft (24.4 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,697 (2017)
Projected traffic11,718 by 2046
Trucks2%
Lanes on structure3
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Foothill Blvd over So Brch Big Tujunga Wash built?

It was built in 1975, making it 50 years old in 2025.

What condition is Foothill Blvd over So Brch Big Tujunga 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 So Brch Big Tujunga Wash carry?

About 9,697 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Foothill Blvd over So Brch Big Tujunga Wash?

The structure is 229 ft (69.8 m) long with a longest span of 118 ft (35.9 m) and a deck 80 ft wide.

Who owns Foothill Blvd over So Brch Big Tujunga Wash?

It is owned by the City or Municipal Highway Agency.