US Bridges

Humane Way over Pomona Mt Vernon Sp/Up

Good

Los Angeles County, California · 0.3MI W/O SR-71 Fwy · Structure no. 53C1796

Built
1982
43 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
340 ft
3 main spans
Daily traffic
9,332
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Humane Way over Pomona Mt Vernon Sp/Up is a prestressed concrete continuous stringer/multi-beam or girder carrying Humane Way over Pomona Mt Vernon Sp/Up in Los Angeles County, California. It was built in 1982, so it is 43 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 9,332 vehicles a day, roughly 3% of them trucks, projected to reach 10,732 by 2041. The structure is 340 ft (103.6 m) long and 73 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHumane Way
CrossesPomona Mt Vernon Sp/Up
Location0.3MI W/O SR-71 Fwy
RouteCity Street 0L382
Coordinates34.05758, -117.79057
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span92 ft (28 m)
Deck width73 ft (22.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,332 (2017)
Projected traffic10,732 by 2041
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Humane Way over Pomona Mt Vernon Sp/Up built?

It was built in 1982, making it 43 years old in 2025.

What condition is Humane Way over Pomona Mt Vernon Sp/Up 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 2023.

How much traffic does Humane Way over Pomona Mt Vernon Sp/Up carry?

About 9,332 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Humane Way over Pomona Mt Vernon Sp/Up?

The structure is 340 ft (103.6 m) long with a longest span of 92 ft (28 m) and a deck 73 ft wide.

Who owns Humane Way over Pomona Mt Vernon Sp/Up?

It is owned by the City or Municipal Highway Agency.