US Bridges

Washington Blvd over Arroyo Seco Chan

Good

Los Angeles County, California · 0.8MI W/O Fair Oaks Ave · Structure no. 53C0755

Built
1939
86 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
83 ft
1 main span
Daily traffic
1,262
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington Blvd over Arroyo Seco Chan is a concrete slab carrying Washington Blvd over Arroyo Seco Chan in Los Angeles County, California. It was built in 1939, so it is 86 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 1,262 vehicles a day, roughly 1% of them trucks, projected to reach 1,388 by 2044. The structure is 83 ft (25.2 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWashington Blvd
CrossesArroyo Seco Chan
Location0.8MI W/O Fair Oaks Ave
RouteCity Street 0Q295
Coordinates34.17446, -118.17075
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length83 ft (25.2 m)
Longest span75 ft (22.9 m)
Deck width53 ft (16.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,262 (2014)
Projected traffic1,388 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington Blvd over Arroyo Seco Chan built?

It was built in 1939, making it 86 years old in 2025.

What condition is Washington Blvd over Arroyo Seco Chan 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 July 2024.

How much traffic does Washington Blvd over Arroyo Seco Chan carry?

About 1,262 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Washington Blvd over Arroyo Seco Chan?

The structure is 83 ft (25.2 m) long with a longest span of 75 ft (22.9 m) and a deck 53 ft wide.

Who owns Washington Blvd over Arroyo Seco Chan?

It is owned by the City or Municipal Highway Agency.