US Bridges

W105-NASH Off Rmp over Airport Access Road

Fair

Los Angeles County, California · 07-LA-105-R0.98-LA · Structure no. 53 2803K

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
907 ft
9 main spans
Daily traffic
16,609
2016 count
Owner
State
State Highway Agency

About this bridge

W105-NASH Off Rmp over Airport Access Road is a prestressed concrete continuous box beam or girders - multiple carrying W105-NASH Off Rmp over Airport Access Road in Los Angeles County, California. It was built in 1989, so it is 36 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 16,609 vehicles a day, roughly 1% of them trucks, projected to reach 21,682 by 2042. The structure is 907 ft (276.5 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesW105-NASH Off Rmp
CrossesAirport Access Road
Location07-LA-105-R0.98-LA
RouteInterstate 105
CountyLos Angeles County
StateCalifornia
Coordinates33.93254, -118.38774
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20 + Mod
Structure length907 ft (276.5 m)
Longest span105 ft (32 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,609 (2016)
Projected traffic21,682 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was W105-NASH Off Rmp over Airport Access Road built?

It was built in 1989, making it 36 years old in 2025.

What condition is W105-NASH Off Rmp over Airport Access Road 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 April 2024.

How much traffic does W105-NASH Off Rmp over Airport Access Road carry?

About 16,609 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is W105-NASH Off Rmp over Airport Access Road?

The structure is 907 ft (276.5 m) long with a longest span of 105 ft (32 m) and a deck 41 ft wide.

Who owns W105-NASH Off Rmp over Airport Access Road?

It is owned by the State Highway Agency.