US Bridges

Firestone Blvd over Los Angeles Riv

Good

Los Angeles County, California · 500FT W/O I-710 Fwy · Structure no. 53C1972

Built
1950
75 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
473 ft
4 main spans
Daily traffic
77,480
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Firestone Blvd over Los Angeles Riv is a steel continuous stringer/multi-beam or girder carrying Firestone Blvd over Los Angeles Riv in Los Angeles County, California. It was built in 1950, so it is 75 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 77,480 vehicles a day, roughly 6% of them trucks, projected to reach 92,976 by 2043. The structure is 473 ft (144.2 m) long and 109 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFirestone Blvd
CrossesLos Angeles Riv
Location500FT W/O I-710 Fwy
RouteCity Street 0L164
Coordinates33.95015, -118.1739
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length473 ft (144.2 m)
Longest span132 ft (40.2 m)
Deck width109 ft (33.3 m)
Roadway width101 ft (30.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,480 (2014)
Projected traffic92,976 by 2043
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Firestone Blvd over Los Angeles Riv built?

It was built in 1950, making it 75 years old in 2025.

What condition is Firestone Blvd over Los Angeles Riv in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Firestone Blvd over Los Angeles Riv carry?

About 77,480 vehicles per day (2014 count), of which roughly 6% are trucks.

How long is Firestone Blvd over Los Angeles Riv?

The structure is 473 ft (144.2 m) long with a longest span of 132 ft (40.2 m) and a deck 109 ft wide.

Who owns Firestone Blvd over Los Angeles Riv?

It is owned by the City or Municipal Highway Agency.