US Bridges

State Route 14 over Avenue "O-8"

Fair

Los Angeles County, California · 07-LA-014-R62.12-PMDL · Structure no. 53 2379R

Built
1972
53 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
146 ft
1 main span
Daily traffic
44,500
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 14 over Avenue "O-8" is a prestressed concrete box beam or girders - multiple carrying State Route 14 over Avenue "O-8" in Los Angeles County, California. It was built in 1972, so it is 53 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 44,500 vehicles a day, roughly 5% of them trucks, projected to reach 98,046 by 2041. The structure is 146 ft (44.4 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesState Route 14
CrossesAvenue "O-8"
Location07-LA-014-R62.12-PMDL
RouteState Highway 14
CountyLos Angeles County
StateCalifornia
Coordinates34.609, -118.15153
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating42.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length146 ft (44.4 m)
Longest span144 ft (43.9 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,500 (2017)
Projected traffic98,046 by 2041
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 14 over Avenue "O-8" built?

It was built in 1972, making it 53 years old in 2025.

What condition is State Route 14 over Avenue "O-8" 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 2023.

How much traffic does State Route 14 over Avenue "O-8" carry?

About 44,500 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is State Route 14 over Avenue "O-8"?

The structure is 146 ft (44.4 m) long with a longest span of 144 ft (43.9 m) and a deck 53 ft wide.

Who owns State Route 14 over Avenue "O-8"?

It is owned by the State Highway Agency.