US Bridges

W10-SAN Gabriel Bl over San Gabriel Blvd

Fair

Los Angeles County, California · 07-LA-010-25.84-RSMD · Structure no. 53 0654K

Built
1953
72 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
79 ft
2 main spans
Daily traffic
5,829
2021 count
Owner
State
State Highway Agency

About this bridge

W10-SAN Gabriel Bl over San Gabriel Blvd is a concrete continuous slab carrying W10-SAN Gabriel Bl over San Gabriel Blvd in Los Angeles County, California. It was built in 1953, so it is 72 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 5,829 vehicles a day, roughly 2% of them trucks, projected to reach 6,376 by 2044. The structure is 79 ft (24.1 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW10-SAN Gabriel Bl
CrossesSan Gabriel Blvd
Location07-LA-010-25.84-RSMD
RouteInterstate 10
Coordinates34.07232, -118.09079
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 48 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating87.5 US tons
Inventory rating52.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span39 ft (11.9 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,829 (2021)
Projected traffic6,376 by 2044
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 W10-SAN Gabriel Bl over San Gabriel Blvd built?

It was built in 1953, making it 72 years old in 2025.

What condition is W10-SAN Gabriel Bl over San Gabriel Blvd 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 February 2025.

How much traffic does W10-SAN Gabriel Bl over San Gabriel Blvd carry?

About 5,829 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is W10-SAN Gabriel Bl over San Gabriel Blvd?

The structure is 79 ft (24.1 m) long with a longest span of 39 ft (11.9 m) and a deck 34 ft wide.

Who owns W10-SAN Gabriel Bl over San Gabriel Blvd?

It is owned by the State Highway Agency.