US Bridges

Griffin Ave over UP RR AMTRAK Alhambra Av

Good

Los Angeles County, California · 0.15 M N/O Mission RD · Structure no. 53C1661

Built
1980
45 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
107 ft
2 main spans
Daily traffic
7,228
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Griffin Ave over UP RR AMTRAK Alhambra Av is a prestressed concrete continuous stringer/multi-beam or girder carrying Griffin Ave over UP RR AMTRAK Alhambra Av in Los Angeles County, California. It was built in 1980, so it is 45 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 7,228 vehicles a day, roughly 1% of them trucks, projected to reach 22,734 by 2042. The structure is 107 ft (32.7 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGriffin Ave
CrossesUP RR AMTRAK Alhambra Av
Location0.15 M N/O Mission RD
RouteCity Street 0
Coordinates34.06401, -118.21139
Functional classUrban Other Principal Arterial

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 inspectionMarch 2023
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating56.4 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length107 ft (32.7 m)
Longest span53 ft (16.3 m)
Deck width86 ft (26.2 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,228 (2016)
Projected traffic22,734 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Griffin Ave over UP RR AMTRAK Alhambra Av built?

It was built in 1980, making it 45 years old in 2025.

What condition is Griffin Ave over UP RR AMTRAK Alhambra Av 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 2023.

How much traffic does Griffin Ave over UP RR AMTRAK Alhambra Av carry?

About 7,228 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Griffin Ave over UP RR AMTRAK Alhambra Av?

The structure is 107 ft (32.7 m) long with a longest span of 53 ft (16.3 m) and a deck 86 ft wide.

Who owns Griffin Ave over UP RR AMTRAK Alhambra Av?

It is owned by the City or Municipal Highway Agency.