US Bridges

Barham Blvd over Route 101

Fair

Los Angeles County, California · 07-LA-101-9.22-LA · Structure no. 53 0466

Built
1940
85 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
166 ft
2 main spans
Daily traffic
34,816
2021 count
Owner
State
State Highway Agency

About this bridge

Barham Blvd over Route 101 is a concrete continuous slab carrying Barham Blvd over Route 101 in Los Angeles County, California. It was built in 1940, so it is 85 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 34,816 vehicles a day, roughly 1% of them trucks, projected to reach 56,497 by 2042. The structure is 166 ft (50.7 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBarham Blvd
CrossesRoute 101
Location07-LA-101-9.22-LA
RouteCity Street 0L426
CountyLos Angeles County
StateCalifornia
Coordinates34.12852, -118.34706
Functional classUrban Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating95 US tons
Inventory rating57.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length166 ft (50.7 m)
Longest span81 ft (24.7 m)
Deck width62 ft (18.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,816 (2021)
Projected traffic56,497 by 2042
Trucks1%
Lanes on structure5
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Barham Blvd over Route 101 built?

It was built in 1940, making it 85 years old in 2025.

What condition is Barham Blvd 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 March 2024.

How much traffic does Barham Blvd over Route 101 carry?

About 34,816 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Barham Blvd over Route 101?

The structure is 166 ft (50.7 m) long with a longest span of 81 ft (24.7 m) and a deck 62 ft wide.

Who owns Barham Blvd over Route 101?

It is owned by the State Highway Agency.