US Bridges

State Route 91 over Paramount Blvd

Fair

Los Angeles County, California · 07-LA-091-R13.59-LBCH · Structure no. 53 2129

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
188 ft
2 main spans
Daily traffic
277,000
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 91 over Paramount Blvd is a concrete continuous box beam or girders - multiple carrying State Route 91 over Paramount Blvd in Los Angeles County, California. It was built in 1970, so it is 55 years old, older 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 277,000 vehicles a day, roughly 12% of them trucks, projected to reach 280,000 by 2040. The structure is 188 ft (57.3 m) long and 148 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 91
CrossesParamount Blvd
Location07-LA-091-R13.59-LBCH
RouteState Highway 91
Coordinates33.87589, -118.16031
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length188 ft (57.3 m)
Longest span94 ft (28.7 m)
Deck width148 ft (45.1 m)
Roadway width142 ft (43.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic277,000 (2017)
Projected traffic280,000 by 2040
Trucks12%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
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 State Route 91 over Paramount Blvd built?

It was built in 1970, making it 55 years old in 2025.

What condition is State Route 91 over Paramount Blvd 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 July 2023.

How much traffic does State Route 91 over Paramount Blvd carry?

About 277,000 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is State Route 91 over Paramount Blvd?

The structure is 188 ft (57.3 m) long with a longest span of 94 ft (28.7 m) and a deck 148 ft wide.

Who owns State Route 91 over Paramount Blvd?

It is owned by the State Highway Agency.