US Bridges

Vermont Ave over Route 101

Fair

Los Angeles County, California · 07-LA-101-4.40-LA · Structure no. 53 0609

Built
1949
76 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
494 ft
7 main spans
Daily traffic
68,510
2020 count
Owner
State
State Highway Agency

About this bridge

Vermont Ave over Route 101 is a concrete continuous box beam or girders - multiple carrying Vermont Ave over Route 101 in Los Angeles County, California. It was built in 1949, so it is 76 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 6 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 68,510 vehicles a day, roughly 2% of them trucks, projected to reach 112,840 by 2042. The structure is 494 ft (150.6 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesVermont Ave
CrossesRoute 101
Location07-LA-101-4.40-LA
RouteCity Street 0L040
Coordinates34.07913, -118.29154
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating33.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length494 ft (150.6 m)
Longest span84 ft (25.6 m)
Deck width96 ft (29.3 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,510 (2020)
Projected traffic112,840 by 2042
Trucks2%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 Vermont Ave over Route 101 built?

It was built in 1949, making it 76 years old in 2025.

What condition is Vermont Ave 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 January 2024.

How much traffic does Vermont Ave over Route 101 carry?

About 68,510 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Vermont Ave over Route 101?

The structure is 494 ft (150.6 m) long with a longest span of 84 ft (25.6 m) and a deck 96 ft wide.

Who owns Vermont Ave over Route 101?

It is owned by the State Highway Agency.