US Bridges

W134-COLORADO Bl over State Route 134

Good

Los Angeles County, California · 07-LA-134-R11.60-LA · Structure no. 53 2137K

Built
1971
54 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
348 ft
2 main spans
Daily traffic
6,501
2014 count
Owner
State
State Highway Agency

About this bridge

W134-COLORADO Bl over State Route 134 is a prestressed concrete continuous box beam or girders - multiple carrying W134-COLORADO Bl over State Route 134 in Los Angeles County, California. It was built in 1971, so it is 54 years old, younger 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 6,501 vehicles a day, roughly 4% of them trucks, projected to reach 7,000 by 2042. The structure is 348 ft (106.1 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW134-COLORADO Bl
CrossesState Route 134
Location07-LA-134-R11.60-LA
RouteState Highway 134
Coordinates34.14176, -118.18379
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating110 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length348 ft (106.1 m)
Longest span201 ft (61.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,501 (2014)
Projected traffic7,000 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was W134-COLORADO Bl over State Route 134 built?

It was built in 1971, making it 54 years old in 2025.

What condition is W134-COLORADO Bl over State Route 134 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 February 2024.

How much traffic does W134-COLORADO Bl over State Route 134 carry?

About 6,501 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is W134-COLORADO Bl over State Route 134?

The structure is 348 ft (106.1 m) long with a longest span of 201 ft (61.3 m) and a deck 34 ft wide.

Who owns W134-COLORADO Bl over State Route 134?

It is owned by the State Highway Agency.