US Bridges

N5-PACIFIC HWY Off over I 5 BNSF Mtdb Lrt Sts

Good

San Diego County, California · 11-SD-005-R17.57-SD · Structure no. 57 0481S

Built
1965
60 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
2,390 ft
6 main spans
Daily traffic
18,300
2020 count
Owner
State
State Highway Agency

About this bridge

N5-PACIFIC HWY Off over I 5 BNSF Mtdb Lrt Sts is a prestressed concrete continuous box beam or girders - multiple carrying N5-PACIFIC HWY Off over I 5 BNSF Mtdb Lrt Sts in San Diego County, California. It was built in 1965, so it is 60 years old, older 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 18,300 vehicles a day, roughly 1% of them trucks, projected to reach 33,076 by 2040. The structure is 2,390 ft (728.5 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN5-PACIFIC HWY Off
CrossesI 5 BNSF Mtdb Lrt Sts
Location11-SD-005-R17.57-SD
RouteInterstate 5
Coordinates32.73485, -117.17392
Functional classUrban Principal Arterial - Interstate

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6 (+16 approach)
Design loadHS 20
Structure length2,390 ft (728.5 m)
Longest span173 ft (52.7 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,300 (2020)
Projected traffic33,076 by 2040
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N5-PACIFIC HWY Off over I 5 BNSF Mtdb Lrt Sts built?

It was built in 1965, making it 60 years old in 2025.

What condition is N5-PACIFIC HWY Off over I 5 BNSF Mtdb Lrt Sts 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 October 2023.

How much traffic does N5-PACIFIC HWY Off over I 5 BNSF Mtdb Lrt Sts carry?

About 18,300 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is N5-PACIFIC HWY Off over I 5 BNSF Mtdb Lrt Sts?

The structure is 2,390 ft (728.5 m) long with a longest span of 173 ft (52.7 m) and a deck 38 ft wide.

Who owns N5-PACIFIC HWY Off over I 5 BNSF Mtdb Lrt Sts?

It is owned by the State Highway Agency.