US Bridges

State Route 14 over Avenue S Drain

Good

Los Angeles County, California · 07-LA-014-R58.10 · Structure no. 53 2109

Built
1966
59 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
80,000
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 14 over Avenue S Drain is a concrete culvert carrying State Route 14 over Avenue S Drain in Los Angeles County, California. It was built in 1966, so it is 59 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 80,000 vehicles a day, roughly 5% of them trucks, projected to reach 185,046 by 2041. The structure is 35 ft (10.6 m) long and 226 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 14
CrossesAvenue S Drain
Location07-LA-014-R58.10
RouteState Highway 14
Coordinates34.55616, -118.13209
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionFebruary 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 alignment8: Equal 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 length35 ft (10.6 m)
Longest span9 ft (2.7 m)
Deck width226 ft (68.9 m)
Roadway width139 ft (42.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80,000 (2017)
Projected traffic185,046 by 2041
Trucks5%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 State Route 14 over Avenue S Drain built?

It was built in 1966, making it 59 years old in 2025.

What condition is State Route 14 over Avenue S 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 February 2023.

How much traffic does State Route 14 over Avenue S Drain carry?

About 80,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is State Route 14 over Avenue S Drain?

The structure is 35 ft (10.6 m) long with a longest span of 9 ft (2.7 m) and a deck 226 ft wide.

Who owns State Route 14 over Avenue S Drain?

It is owned by the State Highway Agency.