US Bridges

Puddingstone DR over Puddingstone Chan

Good

Los Angeles County, California · 1.0MI E/O San Dimas · Structure no. 53C1921

Built
1990
35 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
51 ft
2 main spans
Daily traffic
1,281
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Puddingstone DR over Puddingstone Chan is a concrete culvert carrying Puddingstone DR over Puddingstone Chan 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 1,281 vehicles a day, roughly 2% of them trucks, projected to reach 1,442 by 2044. The structure is 51 ft (15.6 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPuddingstone DR
CrossesPuddingstone Chan
Location1.0MI E/O San Dimas
RouteCity Street 0Q146
Coordinates34.09557, -117.78779
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length51 ft (15.6 m)
Longest span23 ft (7 m)
Deck width52 ft (16 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,281 (2017)
Projected traffic1,442 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Puddingstone DR over Puddingstone Chan built?

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

What condition is Puddingstone DR over Puddingstone 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 February 2025.

How much traffic does Puddingstone DR over Puddingstone Chan carry?

About 1,281 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Puddingstone DR over Puddingstone Chan?

The structure is 51 ft (15.6 m) long with a longest span of 23 ft (7 m) and a deck 52 ft wide.

Who owns Puddingstone DR over Puddingstone Chan?

It is owned by the City or Municipal Highway Agency.