US Bridges

Herbert Avenue over I 10 Busway Metrolink

Good

Los Angeles County, California · 07-LA-010-20.22-LA · Structure no. 53 0643

Built
1972
53 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
347 ft
3 main spans
Daily traffic
7,900
2017 count
Owner
State
State Highway Agency

About this bridge

Herbert Avenue over I 10 Busway Metrolink is a prestressed concrete continuous box beam or girders - multiple carrying Herbert Avenue over I 10 Busway Metrolink in Los Angeles County, California. It was built in 1972, so it is 53 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 7,900 vehicles a day, roughly 1% of them trucks, projected to reach 9,084 by 2040. The structure is 347 ft (105.8 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHerbert Avenue
CrossesI 10 Busway Metrolink
Location07-LA-010-20.22-LA
RouteCity Street 0
Coordinates34.05588, -118.18288
Functional classUrban Minor 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.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating19.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length347 ft (105.8 m)
Longest span132 ft (40.3 m)
Deck width84 ft (25.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2017)
Projected traffic9,084 by 2040
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 Herbert Avenue over I 10 Busway Metrolink built?

It was built in 1972, making it 53 years old in 2025.

What condition is Herbert Avenue over I 10 Busway Metrolink 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 2023.

How much traffic does Herbert Avenue over I 10 Busway Metrolink carry?

About 7,900 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Herbert Avenue over I 10 Busway Metrolink?

The structure is 347 ft (105.8 m) long with a longest span of 132 ft (40.3 m) and a deck 84 ft wide.

Who owns Herbert Avenue over I 10 Busway Metrolink?

It is owned by the State Highway Agency.