US Bridges

Marengo Ave over Metro

Good

Los Angeles County, California · Intx Marengo Corson I-210 · Structure no. 53C1898

Built
1976
49 years old
Condition
Good
inspected July 2023
Type
Frame
Concrete
Length
74 ft
1 main span
Daily traffic
21,758
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Marengo Ave over Metro is a concrete frame carrying Marengo Ave over Metro in Los Angeles County, California. It was built in 1976, so it is 49 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 21,758 vehicles a day, roughly 5% of them trucks, projected to reach 26,110 by 2043. The structure is 74 ft (22.6 m) long and 212 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMarengo Ave
CrossesMetro
LocationIntx Marengo Corson I-210
RouteCity Street 0L512
Coordinates34.1509, -118.14621
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating59.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length74 ft (22.6 m)
Longest span40 ft (12.2 m)
Deck width212 ft (64.6 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,758 (2013)
Projected traffic26,110 by 2043
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marengo Ave over Metro built?

It was built in 1976, making it 49 years old in 2025.

What condition is Marengo Ave over Metro 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 July 2023.

How much traffic does Marengo Ave over Metro carry?

About 21,758 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Marengo Ave over Metro?

The structure is 74 ft (22.6 m) long with a longest span of 40 ft (12.2 m) and a deck 212 ft wide.

Who owns Marengo Ave over Metro?

It is owned by the City or Municipal Highway Agency.