US Bridges

W8-N15 Connector over Fairmount AVE-W8 On-Ramp

Fair

San Diego County, California · 11-SD-008-5.79-SD · Structure no. 57 0887F

Built
1984
41 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
152 ft
1 main span
Daily traffic
23,100
2014 count
Owner
State
State Highway Agency

About this bridge

W8-N15 Connector over Fairmount AVE-W8 On-Ramp is a prestressed concrete box beam or girders - multiple carrying W8-N15 Connector over Fairmount AVE-W8 On-Ramp in San Diego County, California. It was built in 1984, so it is 41 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 23,100 vehicles a day, roughly 6% of them trucks, projected to reach 36,669 by 2042. The structure is 152 ft (46.3 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesW8-N15 Connector
CrossesFairmount AVE-W8 On-Ramp
Location11-SD-008-5.79-SD
RouteInterstate 8
Coordinates32.77938, -117.11026
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
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span150 ft (45.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,100 (2014)
Projected traffic36,669 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 W8-N15 Connector over Fairmount AVE-W8 On-Ramp built?

It was built in 1984, making it 41 years old in 2025.

What condition is W8-N15 Connector over Fairmount AVE-W8 On-Ramp 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 W8-N15 Connector over Fairmount AVE-W8 On-Ramp carry?

About 23,100 vehicles per day (2014 count), of which roughly 6% are trucks.

How long is W8-N15 Connector over Fairmount AVE-W8 On-Ramp?

The structure is 152 ft (46.3 m) long with a longest span of 150 ft (45.7 m) and a deck 42 ft wide.

Who owns W8-N15 Connector over Fairmount AVE-W8 On-Ramp?

It is owned by the State Highway Agency.