US Bridges

Santa Gertrudes over LA Mirada Chan

Good

Los Angeles County, California · 0.4MI N/O Imperial HWY · Structure no. 53C0776

Built
1962
63 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
17,544
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Santa Gertrudes over LA Mirada Chan is a concrete culvert carrying Santa Gertrudes over LA Mirada Chan in Los Angeles County, California. It was built in 1962, so it is 63 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 17,544 vehicles a day, roughly 1% of them trucks, projected to reach 21,053 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSanta Gertrudes
CrossesLA Mirada Chan
Location0.4MI N/O Imperial HWY
RouteCity Street 0
Coordinates33.92198, -117.99423
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,544 (2014)
Projected traffic21,053 by 2042
Trucks1%
Lanes on structure4
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 Santa Gertrudes over LA Mirada Chan built?

It was built in 1962, making it 63 years old in 2025.

What condition is Santa Gertrudes over LA Mirada Chan 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 November 2021.

How much traffic does Santa Gertrudes over LA Mirada Chan carry?

About 17,544 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Santa Gertrudes over LA Mirada Chan?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).

Who owns Santa Gertrudes over LA Mirada Chan?

It is owned by the City or Municipal Highway Agency.