US Bridges

Louise Avenue over State Route 118

Fair

Los Angeles County, California · 07-LA-118-R7.30-LA · Structure no. 53 2466

Built
1980
45 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
241 ft
2 main spans
Daily traffic
2,895
2020 count
Owner
State
State Highway Agency

About this bridge

Louise Avenue over State Route 118 is a prestressed concrete continuous box beam or girders - multiple carrying Louise Avenue over State Route 118 in Los Angeles County, California. It was built in 1980, so it is 45 years old, younger 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 2,895 vehicles a day, roughly 2% of them trucks, projected to reach 4,300 by 2045. The structure is 241 ft (73.6 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLouise Avenue
CrossesState Route 118
Location07-LA-118-R7.30-LA
RouteCity Street 0
Coordinates34.27819, -118.51103
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length241 ft (73.6 m)
Longest span124 ft (37.8 m)
Deck width82 ft (25 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,895 (2020)
Projected traffic4,300 by 2045
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Louise Avenue over State Route 118 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Louise Avenue over State Route 118 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 January 2024.

How much traffic does Louise Avenue over State Route 118 carry?

About 2,895 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Louise Avenue over State Route 118?

The structure is 241 ft (73.6 m) long with a longest span of 124 ft (37.8 m) and a deck 82 ft wide.

Who owns Louise Avenue over State Route 118?

It is owned by the State Highway Agency.