US Bridges

Mission RD over Alhambra Wash

Fair

Los Angeles County, California · 0.5MI E/O Chapel Ave · Structure no. 53C0913

Built
1938
87 years old, rebuilt 1995
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
22,260
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mission RD over Alhambra Wash is a steel stringer/multi-beam or girder carrying Mission RD over Alhambra Wash in Los Angeles County, California. It was built in 1938 and reconstructed in 1995, so it is 87 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 22,260 vehicles a day, roughly 1% of them trucks, projected to reach 26,712 by 2043. The structure is 41 ft (12.5 m) long and 63 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMission RD
CrossesAlhambra Wash
Location0.5MI E/O Chapel Ave
RouteCity Street 0L354
CountyLos Angeles County
StateCalifornia
Coordinates34.09389, -118.11256
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating81.5 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span37 ft (11.3 m)
Deck width63 ft (19.1 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic22,260 (2017)
Projected traffic26,712 by 2043
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Mission RD over Alhambra Wash built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1995.

What condition is Mission RD over Alhambra Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Mission RD over Alhambra Wash carry?

About 22,260 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Mission RD over Alhambra Wash?

The structure is 41 ft (12.5 m) long with a longest span of 37 ft (11.3 m) and a deck 63 ft wide.

Who owns Mission RD over Alhambra Wash?

It is owned by the City or Municipal Highway Agency.