US Bridges

Obregon Street over Interstate 605

Good

Los Angeles County, California · 07-LA-605-R13.98 · Structure no. 53 1529

Built
1964
61 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
223 ft
4 main spans
Daily traffic
900
2022 count
Owner
State
State Highway Agency

About this bridge

Obregon Street over Interstate 605 is a concrete continuous box beam or girders - multiple carrying Obregon Street over Interstate 605 in Los Angeles County, California. It was built in 1964, so it is 61 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 900 vehicles a day, roughly 4% of them trucks, projected to reach 1,283 by 2045. The structure is 223 ft (68.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesObregon Street
CrossesInterstate 605
Location07-LA-605-R13.98
RouteCity Street 0
Coordinates33.9993, -118.06742
Functional classRural Minor 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.
Last inspectionMarch 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 alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length223 ft (68.1 m)
Longest span73 ft (22.4 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2022)
Projected traffic1,283 by 2045
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Obregon Street over Interstate 605 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Obregon Street over Interstate 605 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 March 2024.

How much traffic does Obregon Street over Interstate 605 carry?

About 900 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Obregon Street over Interstate 605?

The structure is 223 ft (68.1 m) long with a longest span of 73 ft (22.4 m) and a deck 40 ft wide.

Who owns Obregon Street over Interstate 605?

It is owned by the State Highway Agency.