US Bridges

Interstate 10 over Fairgrove Storm Drain

Good

Los Angeles County, California · 07-LA-010-31.94-BWP · Structure no. 53 1320M

Built
1956
69 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
230,000
2017 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over Fairgrove Storm Drain is a concrete culvert carrying Interstate 10 over Fairgrove Storm Drain in Los Angeles County, California. It was built in 1956, so it is 69 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 230,000 vehicles a day, projected to reach 295,189 by 2040. The structure is 23 ft (7 m) long and 187 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10
CrossesFairgrove Storm Drain
Location07-LA-010-31.94-BWP
RouteInterstate 10
Coordinates34.06667, -117.98661
Functional classUrban Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length23 ft (7 m)
Longest span6 ft (1.8 m)
Deck width187 ft (57 m)
Roadway width181 ft (55.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230,000 (2017)
Projected traffic295,189 by 2040
Trucks0%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 10 over Fairgrove Storm Drain built?

It was built in 1956, making it 69 years old in 2025.

What condition is Interstate 10 over Fairgrove 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 April 2023.

How much traffic does Interstate 10 over Fairgrove Storm Drain carry?

About 230,000 vehicles per day (2017 count).

How long is Interstate 10 over Fairgrove Storm Drain?

The structure is 23 ft (7 m) long with a longest span of 6 ft (1.8 m) and a deck 187 ft wide.

Who owns Interstate 10 over Fairgrove Storm Drain?

It is owned by the State Highway Agency.