US Bridges

Route 710 over Triggs Street

Fair

Los Angeles County, California · 07-LA-710-23.14-CMRC · Structure no. 53 0869

Built
1955
70 years old, rebuilt 1967
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
60 ft
1 main span
Daily traffic
216,000
2017 count
Owner
State
State Highway Agency

About this bridge

Route 710 over Triggs Street is a concrete slab carrying Route 710 over Triggs Street in Los Angeles County, California. It was built in 1955 and reconstructed in 1967, so it is 70 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 216,000 vehicles a day, roughly 9% of them trucks, projected to reach 225,835 by 2041. The structure is 60 ft (18.3 m) long and 192 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRoute 710
CrossesTriggs Street
Location07-LA-710-23.14-CMRC
RouteInterstate 710
Coordinates34.01454, -118.1721
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating63.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span56 ft (17.1 m)
Deck width192 ft (58.5 m)
Roadway width188 ft (57.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic216,000 (2017)
Projected traffic225,835 by 2041
Trucks9%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Route 710 over Triggs Street built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1967.

What condition is Route 710 over Triggs Street in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Route 710 over Triggs Street carry?

About 216,000 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is Route 710 over Triggs Street?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.1 m) and a deck 192 ft wide.

Who owns Route 710 over Triggs Street?

It is owned by the State Highway Agency.