US Bridges

Louise ST over Verdugo Wash

Good

Los Angeles County, California · 0.2MI N/O US-101 Fwy · Structure no. 53C1933

Built
1990
35 years old
Condition
Good
inspected January 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
2,346
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Louise ST over Verdugo Wash is a prestressed concrete stringer/multi-beam or girder carrying Louise ST over Verdugo Wash in Los Angeles County, California. It was built in 1990, so it is 35 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 2,346 vehicles a day, roughly 1% of them trucks, projected to reach 2,581 by 2041. The structure is 98 ft (29.9 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLouise ST
CrossesVerdugo Wash
Location0.2MI N/O US-101 Fwy
RouteCity Street 0Q410
Coordinates34.15796, -118.25261
Functional classUrban Collector

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 protection9 ExcellentNo problems noted.
Last inspectionJanuary 2022
Inspection intervalevery 48 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span95 ft (29 m)
Deck width62 ft (18.8 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,346 (2015)
Projected traffic2,581 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Louise ST over Verdugo Wash built?

It was built in 1990, making it 35 years old in 2025.

What condition is Louise ST over Verdugo Wash 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 January 2022.

How much traffic does Louise ST over Verdugo Wash carry?

About 2,346 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Louise ST over Verdugo Wash?

The structure is 98 ft (29.9 m) long with a longest span of 95 ft (29 m) and a deck 62 ft wide.

Who owns Louise ST over Verdugo Wash?

It is owned by the City or Municipal Highway Agency.