US Bridges

N5-PERSHING DR Off over B Street B ST-N5 Onramp

Good

San Diego County, California · 11-SD-005-R15.31-SD · Structure no. 57 0424S

Built
1963
62 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
170 ft
2 main spans
Daily traffic
5,400
2020 count
Owner
State
State Highway Agency

About this bridge

N5-PERSHING DR Off over B Street B ST-N5 Onramp is a concrete continuous box beam or girders - multiple carrying N5-PERSHING DR Off over B Street B ST-N5 Onramp in San Diego County, California. It was built in 1963, so it is 62 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 5,400 vehicles a day, roughly 2% of them trucks, projected to reach 6,182 by 2040. The structure is 170 ft (51.8 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN5-PERSHING DR Off
CrossesB Street B ST-N5 Onramp
Location11-SD-005-R15.31-SD
RouteInterstate 5
Coordinates32.71773, -117.14696
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 inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length170 ft (51.8 m)
Longest span85 ft (25.9 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2020)
Projected traffic6,182 by 2040
Trucks2%
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 NetworkNon-Interstate 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-PERSHING DR Off over B Street B ST-N5 Onramp built?

It was built in 1963, making it 62 years old in 2025.

What condition is N5-PERSHING DR Off over B Street B ST-N5 Onramp 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 June 2023.

How much traffic does N5-PERSHING DR Off over B Street B ST-N5 Onramp carry?

About 5,400 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is N5-PERSHING DR Off over B Street B ST-N5 Onramp?

The structure is 170 ft (51.8 m) long with a longest span of 85 ft (25.9 m) and a deck 34 ft wide.

Who owns N5-PERSHING DR Off over B Street B ST-N5 Onramp?

It is owned by the State Highway Agency.