US Bridges

Parker ST over San Martinez Chiquito CR

Good

Los Angeles County, California · 170 Ft S/O San Martinez · Structure no. 53C1641

Built
1960
65 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
21 ft
3 main spans
Daily traffic
101
2017 count
Owner
County
County Highway Agency

About this bridge

Parker ST over San Martinez Chiquito CR is a concrete culvert carrying Parker ST over San Martinez Chiquito CR in Los Angeles County, California. It was built in 1960, so it is 65 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 101 vehicles a day, projected to reach 101 by 2043. The structure is 21 ft (6.4 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesParker ST
CrossesSan Martinez Chiquito CR
Location170 Ft S/O San Martinez
RouteCounty Highway 0
Coordinates34.44679, -118.66455
Functional classRural 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span7 ft (2.1 m)
Deck width33 ft (10 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101 (2017)
Projected traffic101 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Parker ST over San Martinez Chiquito CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is Parker ST over San Martinez Chiquito CR 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 March 2024.

How much traffic does Parker ST over San Martinez Chiquito CR carry?

About 101 vehicles per day (2017 count).

How long is Parker ST over San Martinez Chiquito CR?

The structure is 21 ft (6.4 m) long with a longest span of 7 ft (2.1 m) and a deck 33 ft wide.

Who owns Parker ST over San Martinez Chiquito CR?

It is owned by the County Highway Agency.