US Bridges

Marshall ST over Alhambra Wash

Good

Los Angeles County, California · 0.5MI W/O San Gabriel Bl · Structure no. 53C0983

Built
1936
89 years old, rebuilt 1963
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
2,754
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Marshall ST over Alhambra Wash is a steel stringer/multi-beam or girder carrying Marshall ST over Alhambra Wash in Los Angeles County, California. It was built in 1936 and reconstructed in 1963, so it is 89 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 2,754 vehicles a day, roughly 1% of them trucks, projected to reach 3,029 by 2043. The structure is 46 ft (14 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMarshall ST
CrossesAlhambra Wash
Location0.5MI W/O San Gabriel Bl
RouteCity Street 0QS42
Coordinates34.07528, -118.09887
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating36.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width52 ft (15.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,754 (2017)
Projected traffic3,029 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Marshall ST over Alhambra Wash built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1963.

What condition is Marshall ST over Alhambra 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 Marshall ST over Alhambra Wash carry?

About 2,754 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Marshall ST over Alhambra Wash?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 52 ft wide.

Who owns Marshall ST over Alhambra Wash?

It is owned by the City or Municipal Highway Agency.