US Bridges

John S Gibson Blvd over Storm Drain

Good

Los Angeles County, California · 700 N Channel ST · Structure no. 53C0573

Built
1963
62 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
41 ft
4 main spans
Daily traffic
19,885
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

John S Gibson Blvd over Storm Drain is a concrete continuous culvert carrying John S Gibson Blvd over Storm Drain in Los Angeles County, California. It was built in 1963, so it is 62 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 19,885 vehicles a day, roughly 2% of them trucks, projected to reach 36,426 by 2041. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesJohn S Gibson Blvd
CrossesStorm Drain
Location700 N Channel ST
RouteCity Street 0
Coordinates33.75516, -118.29032
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,885 (2020)
Projected traffic36,426 by 2041
Trucks2%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 John S Gibson Blvd over Storm Drain built?

It was built in 1963, making it 62 years old in 2025.

What condition is John S Gibson Blvd over Storm Drain 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 June 2023.

How much traffic does John S Gibson Blvd over Storm Drain carry?

About 19,885 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is John S Gibson Blvd over Storm Drain?

The structure is 41 ft (12.5 m) long with a longest span of 10 ft (3 m).

Who owns John S Gibson Blvd over Storm Drain?

It is owned by the City or Municipal Highway Agency.