US Bridges

Wehner Lane over San Dimas Wash

Good

Los Angeles County, California · 0.2MI W/O San Dimas Ave · Structure no. 53C2232

Built
1961
64 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
2
2017 count
Owner
County
County Highway Agency

About this bridge

Wehner Lane over San Dimas Wash is a concrete culvert carrying Wehner Lane over San Dimas Wash in Los Angeles County, California. It was built in 1961, so it is 64 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 2 vehicles a day, roughly 1% of them trucks, projected to reach 2 by 2043. The structure is 22 ft (6.6 m) long and 13 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWehner Lane
CrossesSan Dimas Wash
Location0.2MI W/O San Dimas Ave
RouteCity Street 0_
Coordinates34.12279, -117.81247
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span20 ft (6.1 m)
Deck width13 ft (4 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2 (2017)
Projected traffic2 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-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 Wehner Lane over San Dimas Wash built?

It was built in 1961, making it 64 years old in 2025.

What condition is Wehner Lane over San Dimas 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 November 2024.

How much traffic does Wehner Lane over San Dimas Wash carry?

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

How long is Wehner Lane over San Dimas Wash?

The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.1 m) and a deck 13 ft wide.

Who owns Wehner Lane over San Dimas Wash?

It is owned by the County Highway Agency.