US Bridges

Balboa Blvd over I5 I5 Truck CO RD UP RR

Good

Los Angeles County, California · 07-LA-005-R44.43-LA · Structure no. 53 1986

Built
1971
54 years old, rebuilt 1973
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
416 ft
4 main spans
Daily traffic
4,870
2018 count
Owner
State
State Highway Agency

About this bridge

Balboa Blvd over I5 I5 Truck CO RD UP RR is a concrete continuous box beam or girders - multiple carrying Balboa Blvd over I5 I5 Truck CO RD UP RR in Los Angeles County, California. It was built in 1971 and reconstructed in 1973, so it is 54 years old, younger 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 4,870 vehicles a day, roughly 2% of them trucks, projected to reach 6,540 by 2047. The structure is 416 ft (126.9 m) long and 51 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBalboa Blvd
CrossesI5 I5 Truck CO RD UP RR
Location07-LA-005-R44.43-LA
RouteCounty Highway 0L565
Coordinates34.32082, -118.49617
Functional classUrban Local

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.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length416 ft (126.9 m)
Longest span115 ft (35.2 m)
Deck width51 ft (15.5 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,870 (2018)
Projected traffic6,540 by 2047
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Balboa Blvd over I5 I5 Truck CO RD UP RR built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1973.

What condition is Balboa Blvd over I5 I5 Truck CO RD UP RR 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 February 2025.

How much traffic does Balboa Blvd over I5 I5 Truck CO RD UP RR carry?

About 4,870 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Balboa Blvd over I5 I5 Truck CO RD UP RR?

The structure is 416 ft (126.9 m) long with a longest span of 115 ft (35.2 m) and a deck 51 ft wide.

Who owns Balboa Blvd over I5 I5 Truck CO RD UP RR?

It is owned by the State Highway Agency.