US Bridges

Concord ST over Verdugo Wash

Good

Los Angeles County, California · 0.3MI E/O San Fernando Bl · Structure no. 53C0742

Built
1940
85 years old
Condition
Good
inspected January 2024
Type
Truss - Thru
Steel
Length
103 ft
1 main span
Daily traffic
8,755
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Concord ST over Verdugo Wash is a steel truss - thru carrying Concord ST over Verdugo Wash in Los Angeles County, California. It was built in 1940, so it is 85 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 8,755 vehicles a day, roughly 2% of them trucks, projected to reach 10,068 by 2041. The structure is 103 ft (31.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesConcord ST
CrossesVerdugo Wash
Location0.3MI E/O San Fernando Bl
RouteCity Street 0Q405
Coordinates34.15671, -118.27106
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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length103 ft (31.4 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic8,755 (2015)
Projected traffic10,068 by 2041
Trucks2%
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 Concord ST over Verdugo Wash built?

It was built in 1940, making it 85 years old in 2025.

What condition is Concord 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 2024.

How much traffic does Concord ST over Verdugo Wash carry?

About 8,755 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Concord ST over Verdugo Wash?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns Concord ST over Verdugo Wash?

It is owned by the City or Municipal Highway Agency.