US Bridges

Harbor Drive over Nctd BNSF AMTRAK Scrra

Fair

San Diego County, California · 0.16MI W/O 1-5 · Structure no. 57C0332

Built
1975
50 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
12,600
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harbor Drive over Nctd BNSF AMTRAK Scrra is a prestressed concrete box beam or girders - multiple carrying Harbor Drive over Nctd BNSF AMTRAK Scrra in San Diego County, California. It was built in 1975, so it is 50 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 12,600 vehicles a day, roughly 1% of them trucks, projected to reach 13,941 by 2045. The structure is 104 ft (31.7 m) long and 56 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHarbor Drive
CrossesNctd BNSF AMTRAK Scrra
Location0.16MI W/O 1-5
RouteCity Street 0
CountySan Diego County
StateCalifornia
Coordinates33.20815, -117.38957
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating6.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length104 ft (31.7 m)
Longest span100 ft (30.5 m)
Deck width56 ft (17 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2016)
Projected traffic13,941 by 2045
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Harbor Drive over Nctd BNSF AMTRAK Scrra built?

It was built in 1975, making it 50 years old in 2025.

What condition is Harbor Drive over Nctd BNSF AMTRAK Scrra 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 Harbor Drive over Nctd BNSF AMTRAK Scrra carry?

About 12,600 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Harbor Drive over Nctd BNSF AMTRAK Scrra?

The structure is 104 ft (31.7 m) long with a longest span of 100 ft (30.5 m) and a deck 56 ft wide.

Who owns Harbor Drive over Nctd BNSF AMTRAK Scrra?

It is owned by the City or Municipal Highway Agency.