US Bridges

Sycamore Pl over Sierra Madre Wash

PoorPosted for load

Los Angeles County, California · 0.6MI W/O Santa Anita Ave · Structure no. 53C1038

Built
1928
97 years old
Condition
Poor
inspected May 2023
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
408
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sycamore Pl over Sierra Madre Wash is a concrete tee beam carrying Sycamore Pl over Sierra Madre Wash in Los Angeles County, California. It was built in 1928, so it is 97 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 408 vehicles a day, roughly 2% of them trucks, projected to reach 408 by 2042. The structure is 27 ft (8.2 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSycamore Pl
CrossesSierra Madre Wash
Location0.6MI W/O Santa Anita Ave
RouteCity Street 0
Coordinates34.16894, -118.04232
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic408 (2017)
Projected traffic408 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$215,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sycamore Pl over Sierra Madre Wash built?

It was built in 1928, making it 97 years old in 2025.

What condition is Sycamore Pl over Sierra Madre Wash in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Sycamore Pl over Sierra Madre Wash carry?

About 408 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Sycamore Pl over Sierra Madre Wash?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns Sycamore Pl over Sierra Madre Wash?

It is owned by the City or Municipal Highway Agency.