US Bridges

B ST-N5 on Ramp over Pershing DR SB

Fair

San Diego County, California · 11-SD-005-R15.41-SD · Structure no. 57 0428S

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
114 ft
2 main spans
Daily traffic
11,200
2020 count
Owner
State
State Highway Agency

About this bridge

B ST-N5 on Ramp over Pershing DR SB is a concrete continuous box beam or girders - multiple carrying B ST-N5 on Ramp over Pershing DR SB 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 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 11,200 vehicles a day, roughly 2% of them trucks, projected to reach 15,456 by 2040. The structure is 114 ft (34.7 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesB ST-N5 on Ramp
CrossesPershing DR SB
Location11-SD-005-R15.41-SD
RouteInterstate 5
CountySan Diego County
StateCalifornia
Coordinates32.71943, -117.14756
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span55 ft (16.8 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck19 ft (5.9 m)

Traffic and service

Average daily traffic11,200 (2020)
Projected traffic15,456 by 2040
Trucks2%
Lanes on structure1
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was B ST-N5 on Ramp over Pershing DR SB built?

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

What condition is B ST-N5 on Ramp over Pershing DR SB 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 June 2023.

How much traffic does B ST-N5 on Ramp over Pershing DR SB carry?

About 11,200 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is B ST-N5 on Ramp over Pershing DR SB?

The structure is 114 ft (34.7 m) long with a longest span of 55 ft (16.8 m) and a deck 26 ft wide.

Who owns B ST-N5 on Ramp over Pershing DR SB?

It is owned by the State Highway Agency.