US Bridges

Spring ST over San Gabriel Riv

Good

Los Angeles County, California · 0.5MI W/O I-605 Fwy · Structure no. 53C0089

Built
1952
73 years old, rebuilt 1972
Condition
Good
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
238 ft
4 main spans
Daily traffic
20,140
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Spring ST over San Gabriel Riv is a concrete continuous tee beam carrying Spring ST over San Gabriel Riv in Los Angeles County, California. It was built in 1952 and reconstructed in 1972, so it is 73 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 20,140 vehicles a day, roughly 5% of them trucks, projected to reach 24,168 by 2044. The structure is 238 ft (72.4 m) long and 91 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpring ST
CrossesSan Gabriel Riv
Location0.5MI W/O I-605 Fwy
RouteCity Street 0L059
Coordinates33.81031, -118.091
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length238 ft (72.4 m)
Longest span74 ft (22.6 m)
Deck width91 ft (27.7 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,140 (2014)
Projected traffic24,168 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Spring ST over San Gabriel Riv built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1972.

What condition is Spring ST over San Gabriel Riv 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 October 2024.

How much traffic does Spring ST over San Gabriel Riv carry?

About 20,140 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Spring ST over San Gabriel Riv?

The structure is 238 ft (72.4 m) long with a longest span of 74 ft (22.6 m) and a deck 91 ft wide.

Who owns Spring ST over San Gabriel Riv?

It is owned by the City or Municipal Highway Agency.