US Bridges

Colorado Blvd over Eaton Wash

Good

Los Angeles County, California · 0.4MI E/O San Gabriel Bl · Structure no. 53C1842

Built
1925
100 years old, rebuilt 1973
Condition
Good
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
54 ft
2 main spans
Daily traffic
20,465
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Colorado Blvd over Eaton Wash is a concrete continuous tee beam carrying Colorado Blvd over Eaton Wash in Los Angeles County, California. It was built in 1925 and reconstructed in 1973, so it is 100 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 20,465 vehicles a day, roughly 4% of them trucks, projected to reach 24,559 by 2044. The structure is 54 ft (16.5 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesColorado Blvd
CrossesEaton Wash
Location0.4MI E/O San Gabriel Bl
RouteCity Street 0L485
Coordinates34.14606, -118.08841
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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.8 US tons
Inventory rating57.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span27 ft (8.2 m)
Deck width96 ft (29.3 m)
Roadway width74 ft (22.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,465 (2014)
Projected traffic24,559 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Colorado Blvd over Eaton Wash built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1973.

What condition is Colorado Blvd over Eaton 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 July 2024.

How much traffic does Colorado Blvd over Eaton Wash carry?

About 20,465 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is Colorado Blvd over Eaton Wash?

The structure is 54 ft (16.5 m) long with a longest span of 27 ft (8.2 m) and a deck 96 ft wide.

Who owns Colorado Blvd over Eaton Wash?

It is owned by the City or Municipal Highway Agency.