US Bridges

Auto Parkway North over Indian SP Fld Cntrl Chan

Fair

San Diego County, California · .5 MI N/O Valley Parkway · Structure no. 57C0548

Built
1982
43 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
15,800
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Auto Parkway North over Indian SP Fld Cntrl Chan is a prestressed concrete tee beam carrying Auto Parkway North over Indian SP Fld Cntrl Chan in San Diego County, California. It was built in 1982, so it is 43 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 15,800 vehicles a day, roughly 1% of them trucks, projected to reach 17,000 by 2042. The structure is 38 ft (11.6 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAuto Parkway North
CrossesIndian SP Fld Cntrl Chan
Location.5 MI N/O Valley Parkway
RouteCity Street 0
Coordinates33.11692, -117.10767
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width48 ft (14.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,800 (2023)
Projected traffic17,000 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Auto Parkway North over Indian SP Fld Cntrl Chan built?

It was built in 1982, making it 43 years old in 2025.

What condition is Auto Parkway North over Indian SP Fld Cntrl Chan 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 February 2024.

How much traffic does Auto Parkway North over Indian SP Fld Cntrl Chan carry?

About 15,800 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Auto Parkway North over Indian SP Fld Cntrl Chan?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 48 ft wide.

Who owns Auto Parkway North over Indian SP Fld Cntrl Chan?

It is owned by the City or Municipal Highway Agency.