US Bridges

Delwood ST over San Martinez Chiquito CR

Fair

Los Angeles County, California · 250FT E/O San Martinez RD · Structure no. 53C1644

Built
1978
47 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
81
2017 count
Owner
County
County Highway Agency

About this bridge

Delwood ST over San Martinez Chiquito CR is a concrete culvert carrying Delwood ST over San Martinez Chiquito CR in Los Angeles County, California. It was built in 1978, so it is 47 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 81 vehicles a day, projected to reach 81 by 2043. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDelwood ST
CrossesSan Martinez Chiquito CR
Location250FT E/O San Martinez RD
RouteCounty Highway 0
CountyLos Angeles County
StateCalifornia
Coordinates34.45049, -118.68187
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to 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 loadUnknown
Structure length24 ft (7.3 m)
Longest span9 ft (2.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2017)
Projected traffic81 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Delwood ST over San Martinez Chiquito CR built?

It was built in 1978, making it 47 years old in 2025.

What condition is Delwood ST over San Martinez Chiquito CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

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

About 81 vehicles per day (2017 count).

How long is Delwood ST over San Martinez Chiquito CR?

The structure is 24 ft (7.3 m) long with a longest span of 9 ft (2.7 m) and a deck 30 ft wide.

Who owns Delwood ST over San Martinez Chiquito CR?

It is owned by the County Highway Agency.