US Bridges

Central Ave over State Route 91

Fair

Los Angeles County, California · 07-LA-091-R8.43-CRSN · Structure no. 53 2459

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
253 ft
2 main spans
Daily traffic
20,500
2017 count
Owner
State
State Highway Agency

About this bridge

Central Ave over State Route 91 is a prestressed concrete continuous box beam or girders - multiple carrying Central Ave over State Route 91 in Los Angeles County, California. It was built in 1974, so it is 51 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 20,500 vehicles a day, roughly 1% of them trucks, projected to reach 39,952 by 2040. The structure is 253 ft (77.1 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCentral Ave
CrossesState Route 91
Location07-LA-091-R8.43-CRSN
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates33.87307, -118.24858
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
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 rating52.1 US tons
Inventory rating37.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length253 ft (77.1 m)
Longest span126 ft (38.5 m)
Deck width96 ft (29.3 m)
Roadway width84 ft (25.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2017)
Projected traffic39,952 by 2040
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Central Ave over State Route 91 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Central Ave over State Route 91 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 May 2023.

How much traffic does Central Ave over State Route 91 carry?

About 20,500 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Central Ave over State Route 91?

The structure is 253 ft (77.1 m) long with a longest span of 126 ft (38.5 m) and a deck 96 ft wide.

Who owns Central Ave over State Route 91?

It is owned by the State Highway Agency.