US Bridges

Interstate 905 WB over W905-N5 Connector Ramp

Good

San Diego County, California · 11-SD-905-3.31L-SD · Structure no. 57 0782L

Built
1973
52 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
346 ft
3 main spans
Daily traffic
4,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 905 WB over W905-N5 Connector Ramp is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 905 WB over W905-N5 Connector Ramp in San Diego County, California. It was built in 1973, so it is 52 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,000 vehicles a day, roughly 8% of them trucks, projected to reach 6,306 by 2042. The structure is 346 ft (105.5 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 905 WB
CrossesW905-N5 Connector Ramp
Location11-SD-905-3.31L-SD
RouteInterstate 905
Coordinates32.56644, -117.07212
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 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 rating77.8 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length346 ft (105.5 m)
Longest span174 ft (53 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2020)
Projected traffic6,306 by 2042
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Interstate 905 WB over W905-N5 Connector Ramp built?

It was built in 1973, making it 52 years old in 2025.

What condition is Interstate 905 WB over W905-N5 Connector Ramp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Interstate 905 WB over W905-N5 Connector Ramp carry?

About 4,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Interstate 905 WB over W905-N5 Connector Ramp?

The structure is 346 ft (105.5 m) long with a longest span of 174 ft (53 m) and a deck 29 ft wide.

Who owns Interstate 905 WB over W905-N5 Connector Ramp?

It is owned by the State Highway Agency.