US Bridges

Bronson Ave Oc over Route 101

Fair

Los Angeles County, California · 07-LA-101-6.65-LA · Structure no. 53 0724

Built
1977
48 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
259 ft
2 main spans
Daily traffic
62,000
2020 count
Owner
State
State Highway Agency

About this bridge

Bronson Ave Oc over Route 101 is a steel stringer/multi-beam or girder carrying Bronson Ave Oc over Route 101 in Los Angeles County, California. It was built in 1977, so it is 48 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 62,000 vehicles a day, roughly 2% of them trucks, projected to reach 102,333 by 2042. The structure is 259 ft (78.9 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBronson Ave Oc
CrossesRoute 101
Location07-LA-101-6.65-LA
RouteCity Street 0L418
Coordinates34.10262, -118.31791
Functional classUrban Local

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length259 ft (78.9 m)
Longest span153 ft (46.6 m)
Deck width76 ft (23.2 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,000 (2020)
Projected traffic102,333 by 2042
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 Bronson Ave Oc over Route 101 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Bronson Ave Oc over Route 101 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 February 2024.

How much traffic does Bronson Ave Oc over Route 101 carry?

About 62,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Bronson Ave Oc over Route 101?

The structure is 259 ft (78.9 m) long with a longest span of 153 ft (46.6 m) and a deck 76 ft wide.

Who owns Bronson Ave Oc over Route 101?

It is owned by the State Highway Agency.